criyle/codenet-compile-errors huggingface dataset:
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a, b;
  cin >> a >> b;
 
  if ((a * b) % 2 == 0) {
    cout << "Odd" << endl;
  }
  else if{
    cout << "Even" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:10: error: expected '(' before '{' token
   11 |   else if{
      |          ^
      |          (
Language: C++

#include<iostream>

using namespace std;

int a,b,x;

cin >> a >> b;

x = a*b;

if(x%2 != 0){
  cout << "Odd" << endl;
}else{
  cout << "Even" << endl;
}


Compiler output:
a.cc:7:1: error: 'cin' does not name a type
    7 | cin >> a >> b;
      | ^~~
a.cc:9:1: error: 'x' does not name a type
    9 | x = a*b;
      | ^
a.cc:11:1: error: expected unqualified-id before 'if'
   11 | if(x%2 != 0){
      | ^~
a.cc:13:2: error: expected unqualified-id before 'else'
   13 | }else{
      |  ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a,b,c;
  cin >> a, b;
  c = a*b%2;
  if(c == 0){
    cout << "Even"<<endl;
  }
  elseif(c!=0){
    cout << "Odd"<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 'elseif' was not declared in this scope
   11 |   elseif(c!=0){
      |   ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int N, A;
  cin >> N >> A;

  if ((N * A) % 2 !== 0) {
    cout << "Odd";
  } 
  
  else {
    cout << "Even";
  }
  
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:21: error: expected primary-expression before '=' token
    8 |   if ((N * A) % 2 !== 0) {
      |                     ^
Language: Java

public class Main {
    public static void main(String[] args) throws Exception {
        int base = a;
        int num = b;
        int pro = base*num;
        
        if ( pro%2 == 0 ) {
           System.out.println("Even");
        }
        
        else {
            System.out.println("Odd");
        }
        
        
    }
}


Compiler output:
Main.java:3: error: cannot find symbol
        int base = a;
                   ^
  symbol:   variable a
  location: class Main
Main.java:4: error: cannot find symbol
        int num = b;
                  ^
  symbol:   variable b
  location: class Main
2 errors
Language: Java

public class Main {
    public static void main(String[] args) throws Exception {
        int a;
        int b;
        int pro = a*b;
        
        if ( pro%2 == 0 ) {
           System.out.println("Even");
        }
        
        else {
            System.out.println("Odd");
        }
        
        
    }
}


Compiler output:
Main.java:5: error: variable a might not have been initialized
        int pro = a*b;
                  ^
Main.java:5: error: variable b might not have been initialized
        int pro = a*b;
                    ^
2 errors
Language: Java

import java*util.*;

class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(Sytem.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    if((a * b) %2 == 0)
      Sytem.out.println("Even");
    else
      System.out.println("0dd");
  }
}

Compiler output:
Main.java:1: error: '.' expected
import java*util.*;
           ^
Main.java:1: error: ';' expected
import java*util.*;
            ^
2 errors
Language: Java

import java*util.*
class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(Sytem.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        if ((a * b) % 2 == 0){
        	System.out.println("Even");
        else
        	System.out.println("0dd");
        }
    }

Compiler output:
Main.java:1: error: '.' expected
import java*util.*
           ^
Main.java:1: error: ';' expected
import java*util.*
            ^
Main.java:9: error: 'else' without 'if'
        else
        ^
Main.java:12: error: reached end of file while parsing
    }
     ^
4 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main (){
  int a,b;
  cin >> a >> b;
  
  if(a*b % 2 == 0){
    cout << "Even" << endl;
  }
  
  else{
    cout << "Odd" << endl:
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:26: error: expected ';' before ':' token
   13 |     cout << "Odd" << endl:
      |                          ^
      |                          ;
Language: C++

#iclude <bits/stdc++.h>
using namespace std;

int main (){
  int a,b;
  cin >> a >> b;
  
  if(a*b % 2 == 0){
    cout << "Even" << endl;
  }
  
  else{
    cout << "Odd" << endl:
  }
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #iclude; did you mean #include?
    1 | #iclude <bits/stdc++.h>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> a >> b;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #iclude <bits/stdc++.h>
a.cc:9:5: error: 'cout' was not declared in this scope
    9 |     cout << "Even" << endl;
      |     ^~~~
a.cc:9:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:23: error: 'endl' was not declared in this scope
    9 |     cout << "Even" << endl;
      |                       ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #iclude <bits/stdc++.h>
a.cc:13:5: error: 'cout' was not declared in this scope
   13 |     cout << "Odd" << endl:
      |     ^~~~
a.cc:13:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:22: error: 'endl' was not declared in this scope
   13 |     cout << "Odd" << endl:
      |                      ^~~~
a.cc:13:22: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int A,B;
  cin >> A >> B;
  
 if((A * B) % 2 = 0){
  cout << "Even" << endl;
 }
 if((A * B) % 2 = 1){
   cout << "Odd" << endl;
 }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: lvalue required as left operand of assignment
    8 |  if((A * B) % 2 = 0){
      |     ~~~~~~~~^~~
a.cc:11:13: error: lvalue required as left operand of assignment
   11 |  if((A * B) % 2 = 1){
      |     ~~~~~~~~^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a, b = 0;
 cin >> a >> b;
  if (a*b)%2 ==0) {
    cout << "Odd" << endl;
  } else {
  cout << "Even" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected primary-expression before '%' token
    7 |   if (a*b)%2 ==0) {
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a,b;
  Cin >> a >> b;
  if(a*b%2==0){
    cout << "Even" << endl;
  }else{
    cout << "Odd" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'Cin' was not declared in this scope; did you mean 'sin'?
    6 |   Cin >> a >> b;
      |   ^~~
      |   sin
Language: C

#include <stdio.h>
 
int main(){
	int a, b;
    
    scanf("%d %d", &a, & b);
    
    if((a * b) % 2 == 0){
    	printf("Even\n");
    }
    else if((a * b) % 2 == 1)
    	printf("0dd\n");
    }
    return 0;
}

Compiler output:
main.c:14:5: error: expected identifier or '(' before 'return'
   14 |     return 0;
      |     ^~~~~~
main.c:15:1: error: expected identifier or '(' before '}' token
   15 | }
      | ^
Language: Java

package test;
import java.util.Scanner;

public class one {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		 Scanner scanner = new Scanner(System.in);
		 System.out.print(" ");
		 
		int  a = scanner.nextInt();
		int  b = scanner.nextInt();
		int answer = a * b;
		    
		if(answer% 2 ==0) {
		    System.out.println("Even");
		}
		else {
		    System.out.println("Odd");
		}
	    scanner.close();
	}
}


Compiler output:
Main.java:4: error: class one is public, should be declared in a file named one.java
public class one {
       ^
1 error
Language: Java

import java.util.Scanner;

public class JavaLesson {

	public static void main(String[] args) {
      
        Scanner scan = new Scanner(System.in);

        int a = scan.nextInt();
        int b = scan.nextInt();

        int answer = a * b;
        if(answer % 2 == 0){
            System.out.println("Even");
        }else{
            System.out.println("Odd");
        }
	}
}


Compiler output:
Main.java:3: error: class JavaLesson is public, should be declared in a file named JavaLesson.java
public class JavaLesson {
       ^
1 error
Language: Java

import java.util.Scanner;

class sampleClass{

    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);

        int a = scan.next();
        int b = scan.next();

        int answer = a * b;
        if(answer % 2){
            System.out.println("Even");
        }else{
            System.out.println("Odd");
        }

    }
    
}


Compiler output:
Main.java:8: error: incompatible types: String cannot be converted to int
        int a = scan.next();
                         ^
Main.java:9: error: incompatible types: String cannot be converted to int
        int b = scan.next();
                         ^
Main.java:12: error: incompatible types: int cannot be converted to boolean
        if(answer % 2){
                  ^
3 errors
Language: Java

import java.util.Scanner;

class sampleClass{

    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);

        int a = scan.next();
        int b = scan.next();

        int answer = a * b
        if(answer % 2){
            System.out.println("Even");
        }else{
            System.out.println("Odd");
        }

    }
    
}


Compiler output:
Main.java:11: error: ';' expected
        int answer = a * b
                          ^
1 error
Language: Java

import java.util.Scanner;

class sampleClass{

    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);

        int a = scan.next();
        int b = scan.next();

        int answer = a * b;
        if(answer % 2){
            System.out.println('Even');
        }else{
            System.out.println('Odd');
        }

    }
    
}


Compiler output:
Main.java:13: error: unclosed character literal
            System.out.println('Even');
                               ^
Main.java:13: error: unclosed character literal
            System.out.println('Even');
                                    ^
Main.java:13: error: not a statement
            System.out.println('Even');
                                 ^
Main.java:15: error: unclosed character literal
            System.out.println('Odd');
                               ^
Main.java:15: error: unclosed character literal
            System.out.println('Odd');
                                   ^
Main.java:15: error: not a statement
            System.out.println('Odd');
                                 ^
6 errors
Language: Java

import java.util.Scanner;

class sampleClass{

    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);

        int a = scan.next();
        int b = scan.next();

        int answer = a * b
        if(answer % 2){
            System.out.println('Even');
        }else{
            System.out.println('Odd');
        }

    }
    
}

Compiler output:
Main.java:11: error: ';' expected
        int answer = a * b
                          ^
Main.java:13: error: unclosed character literal
            System.out.println('Even');
                               ^
Main.java:13: error: unclosed character literal
            System.out.println('Even');
                                    ^
Main.java:13: error: not a statement
            System.out.println('Even');
                                 ^
Main.java:15: error: unclosed character literal
            System.out.println('Odd');
                               ^
Main.java:15: error: unclosed character literal
            System.out.println('Odd');
                                   ^
Main.java:15: error: not a statement
            System.out.println('Odd');
                                 ^
7 errors
Language: Java

import java.util.Scanner;

public class test {
  
  public static void main (String[] args){
    
    Scanner scanner = new Scanner(System.in);
    
    int a = scanner.nextInt();
    int b = scanner.nextInt();
      
    if (a*b%2 == 0){
      System.out.println("Even");
    } else {
      System.out.println("Odd");
    }
    
    scanner.close();
    
  }
}

Compiler output:
Main.java:3: error: class test is public, should be declared in a file named test.java
public class test {
       ^
1 error
Language: C++

a, b = map(int, input().split())
if a * b % 2 == 0:
  print('Odd')
else:
  print('Even')

Compiler output:
a.cc:3:9: warning: multi-character character constant [-Wmultichar]
    3 |   print('Odd')
      |         ^~~~~
a.cc:5:9: warning: multi-character character constant [-Wmultichar]
    5 |   print('Even')
      |         ^~~~~~
a.cc:1:1: error: 'a' does not name a type
    1 | a, b = map(int, input().split())
      | ^
Language: C++

#include <iostream>
#include <string>
using namespace std;
 
int main(){
  int a, b;
  int result;
  cin >> a >> b;
  result = (a * b) % 2;
  if (result == 1){
    s = "odd";
  } else{
    s = "Even";
  }
  cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 's' was not declared in this scope
   11 |     s = "odd";
      |     ^
a.cc:13:5: error: 's' was not declared in this scope
   13 |     s = "Even";
      |     ^
a.cc:15:11: error: 's' was not declared in this scope
   15 |   cout << s << endl;
      |           ^
Language: C++

#include <iostream>
#include <string>
using namespace std;
 
int main(){
  int a, b;
  int result;
  cin >> a >> b;
  result = (a * b) % 2;
  if (result == 1){
    s = "odd";
  } else{
    s = "Even";
  }
  cout << s;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 's' was not declared in this scope
   11 |     s = "odd";
      |     ^
a.cc:13:5: error: 's' was not declared in this scope
   13 |     s = "Even";
      |     ^
a.cc:15:11: error: 's' was not declared in this scope
   15 |   cout << s;
      |           ^
Language: Java

import java.util.*;


public class Main {
    public static void main(String[] args) {
      int N = sc.nextInt();
      int M = sc.nextInt();
      int multi　= (N * M)%2;
      if(multi == 1){
        System.out.println("Even");
      }else{
        System.out.println("Odd");
      }
         }
}

Compiler output:
Main.java:8: error: illegal character: '\u3000'
      int multi?= (N * M)%2;
               ^
Main.java:8: error: not a statement
      int multi?= (N * M)%2;
                     ^
Main.java:8: error: ';' expected
      int multi?= (N * M)%2;
                        ^
3 errors
Language: C++

    #include <bits/stdc++.h>
    using namespace std;
     
    int main() {
      int a, b;
      cin >> a >> b;
      if((a * b) % == 0 ) {
        cout << "Even" << endl;
      } else {
          cout << "Odd" << endl;
      }
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:7:20: error: expected primary-expression before '==' token
    7 |       if((a * b) % == 0 ) {
      |                    ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  cin>>a>>b;

  if(a*b%2){
      cout<<Odd<endl
  }else{
      cout<<Even<<endl
  }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:8: error: 'a' was not declared in this scope
    5 |   cin>>a>>b;
      |        ^
a.cc:5:11: error: 'b' was not declared in this scope
    5 |   cin>>a>>b;
      |           ^
a.cc:8:13: error: 'Odd' was not declared in this scope
    8 |       cout<<Odd<endl
      |             ^~~
a.cc:10:13: error: 'Even' was not declared in this scope
   10 |       cout<<Even<<endl
      |             ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a,b;
  cin >> a >> b;
  
  x = a * b;
  if (x % 2 == 1){
    cout << "odd" << endl;
  }else {
    cout << "even" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'x' was not declared in this scope
    8 |   x = a * b;
      |   ^
Language: C

#include<stdio.h>
int main(){
 int a,b;
 scanf("%d %d,&a,&b);
 puts(a*b%2?"Odd":"Even);
 return 0;
 }

Compiler output:
main.c: In function 'main':
main.c:4:8: warning: missing terminating " character
    4 |  scanf("%d %d,&a,&b);
      |        ^
main.c:4:8: error: missing terminating " character
    4 |  scanf("%d %d,&a,&b);
      |        ^~~~~~~~~~~~~~
main.c:5:19: warning: missing terminating " character
    5 |  puts(a*b%2?"Odd":"Even);
      |                   ^
main.c:5:19: error: missing terminating " character
    5 |  puts(a*b%2?"Odd":"Even);
      |                   ^~~~~~~
main.c:6:2: error: expected expression before 'return'
    6 |  return 0;
      |  ^~~~~~
main.c:6:11: error: expected ')' before '}' token
    6 |  return 0;
      |           ^
      |           )
    7 |  }
      |  ~         
main.c:4:7: note: to match this '('
    4 |  scanf("%d %d,&a,&b);
      |       ^
main.c:6:11: error: expected ';' before '}' token
    6 |  return 0;
      |           ^
      |           ;
    7 |  }
      |  ~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a,b;
  cin >> a >> b;
  if(a*b%2 === 0){
    cout << "Even" <<endl;
  }
  else{
    cout << "Odd" <<endl;
  };
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: expected primary-expression before '=' token
    7 |   if(a*b%2 === 0){
      |              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a,b;
  cin >> a >> b;
  if(a*b%2 = 0){
    cout << "Even" <<endl;
  }
  else{
    cout << "Odd" <<endl;
  };
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: lvalue required as left operand of assignment
    7 |   if(a*b%2 = 0){
      |      ~~~^~
Language: C++

#include <iostream>
using namespace std;

int main(){
  int　a,b;
  cin >> a >> b;
  if((a+b)%2==0) cout << "Even" <<endl;
  else cout << "Odd" <<endl;
}

Compiler output:
a.cc:5:3: error: extended character 　 is not valid in an identifier
    5 |   int　a,b;
      |   ^
a.cc: In function 'int main()':
a.cc:5:3: error: 'int\U00003000a' was not declared in this scope
    5 |   int　a,b;
      |   ^~~~~~
a.cc:5:10: error: 'b' was not declared in this scope
    5 |   int　a,b;
      |          ^
a.cc:6:10: error: 'a' was not declared in this scope
    6 |   cin >> a >> b;
      |          ^
Language: C++

#include <iostream>
using namespace std;

int main(){
	int　a,b;
    cin >> a >> b;
    if((a+b)%2==0) cout << "Even" <<endl;
    else cout << "Odd" <<endl;
}

Compiler output:
a.cc:5:9: error: extended character 　 is not valid in an identifier
    5 |         int　a,b;
      |         ^
a.cc: In function 'int main()':
a.cc:5:9: error: 'int\U00003000a' was not declared in this scope
    5 |         int　a,b;
      |         ^~~~~~
a.cc:5:16: error: 'b' was not declared in this scope
    5 |         int　a,b;
      |                ^
a.cc:6:12: error: 'a' was not declared in this scope
    6 |     cin >> a >> b;
      |            ^
Language: C++

#include <iostream>
using namespace std;
 
int main(){
  	int　a,b;
    cin >> a >> b;
    if((a+b)%2==0) cout << "Even" <<endl;
    else cout << "Odd" <<endl;
      }

Compiler output:
a.cc:5:9: error: extended character 　 is not valid in an identifier
    5 |         int　a,b;
      |         ^
a.cc: In function 'int main()':
a.cc:5:9: error: 'int\U00003000a' was not declared in this scope
    5 |         int　a,b;
      |         ^~~~~~
a.cc:5:16: error: 'b' was not declared in this scope
    5 |         int　a,b;
      |                ^
a.cc:6:12: error: 'a' was not declared in this scope
    6 |     cin >> a >> b;
      |            ^
Language: C++

#include <iostream>
using namespace std;

int main(){
  	int　a,b;
    cin >> a >> b;
    if((a+b)%2==0) cout << "Even" <<endl
    else cout << "Odd" <<endl
      }

Compiler output:
a.cc:5:9: error: extended character 　 is not valid in an identifier
    5 |         int　a,b;
      |         ^
a.cc: In function 'int main()':
a.cc:5:9: error: 'int\U00003000a' was not declared in this scope
    5 |         int　a,b;
      |         ^~~~~~
a.cc:5:16: error: 'b' was not declared in this scope
    5 |         int　a,b;
      |                ^
a.cc:6:12: error: 'a' was not declared in this scope
    6 |     cin >> a >> b;
      |            ^
a.cc:7:41: error: expected ';' before 'else'
    7 |     if((a+b)%2==0) cout << "Even" <<endl
      |                                         ^
      |                                         ;
    8 |     else cout << "Odd" <<endl
      |     ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int A, B;
  int c = A * B
  cin >> A >> B;

  if (c%2 == 0) {
    cout << "Even" << endl;
  }
  else{
  cout << "Odd" << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected ',' or ';' before 'cin'
    7 |   cin >> A >> B;
      |   ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;

int main(){
  int a,b;
  cin >> a >> b;
  if(a*b%2==0){
    cout << "Even" << endl;
  }
  else{
    cout << "Odd" <, endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: expected primary-expression before ',' token
   11 |     cout << "Odd" <, endl;
      |                    ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  if((a * b) % 2 == 1){
    cout << "Odd" << endl;
  }
  else{
    cout << "Even" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  if((a * b) % == 1){
    cout << "Odd" << endl;
  }
  else{
    cout << "Even" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expected primary-expression before '==' token
    7 |   if((a * b) % == 1){
      |                ^~
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  if((a * b) % = 1){
    cout << "Odd" << endl;
  }
  else{
    cout << "Even" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expected primary-expression before '=' token
    7 |   if((a * b) % = 1){
      |                ^
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: Java

import java.util.*
public class Main{
	public static void main(String[] args){
      	Scanner scan = new Scanner(System.in);
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	if( ((a*b) % 2) == 0){
        	System.out.println("Even");
        }else{
        	System.out.println("Odd");
        }
    }
}

Compiler output:
Main.java:1: error: ';' expected
import java.util.*
                  ^
1 error
Language: Java

public class Main{
	public static void main(String[] args){
      	Scanner scan = new Scanner(System.in);
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	if( ((a*b) % 2) == 0){
        	System.out.println("Even");
        }else{
        	System.out.println("Odd");
        }
    }
 
 
}

Compiler output:
Main.java:3: error: cannot find symbol
      	Scanner scan = new Scanner(System.in);
      	^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
      	Scanner scan = new Scanner(System.in);
      	                   ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java


	public static void main(String[] args){
      	Scanner scan = new Scanner(System.in);
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	if( ((a*b) % 2) == 0){
        	System.out.println("Even");
        }else{
        	System.out.println("Odd");
        }
    }
 
 


Compiler output:
Main.java:2: error: unnamed classes are a preview feature and are disabled by default.
	public static void main(String[] args){
	              ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: Java

public class ABC086_A_Product{
	public static void main(String[] args){
      	Scanner scan = new Scanner(System.in);
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	if( ((a*b) % 2) == 0){
        	System.out.println("Even");
        }else{
        	System.out.println("Odd");
        }
    }
 
 
}

Compiler output:
Main.java:1: error: class ABC086_A_Product is public, should be declared in a file named ABC086_A_Product.java
public class ABC086_A_Product{
       ^
Main.java:3: error: cannot find symbol
      	Scanner scan = new Scanner(System.in);
      	^
  symbol:   class Scanner
  location: class ABC086_A_Product
Main.java:3: error: cannot find symbol
      	Scanner scan = new Scanner(System.in);
      	                   ^
  symbol:   class Scanner
  location: class ABC086_A_Product
3 errors
Language: Java

public class ABC086_A_Product{
	public static void main(String[] args){
      	Scanner scan = new scanner(System.in);
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	if( ((a*b) % 2) == 0){
        	System.out.println("Even");
        }else{
        	System.out.println("Odd");
        }
    }


}

Compiler output:
Main.java:1: error: class ABC086_A_Product is public, should be declared in a file named ABC086_A_Product.java
public class ABC086_A_Product{
       ^
Main.java:3: error: cannot find symbol
      	Scanner scan = new scanner(System.in);
      	^
  symbol:   class Scanner
  location: class ABC086_A_Product
Main.java:3: error: cannot find symbol
      	Scanner scan = new scanner(System.in);
      	                   ^
  symbol:   class scanner
  location: class ABC086_A_Product
3 errors
Language: C++

//インクルード(アルファベット順)
#include<algorithm>//sort,二分探索,など
#include<bitset>//固定長bit集合
#include<cmath>//pow,logなど
#include<complex>//複素数
#include<deque>//両端アクセスのキュー
#include<functional>//sortのgreater
#include<iomanip>//setprecision(浮動小数点の出力の誤差)
#include<iostream>//入出力
#include<iterator>//集合演算(積集合,和集合,差集合など)
#include<map>//map(辞書)
#include<numeric>//iota(整数列の生成),gcdとlcm(c++17)
#include<queue>//キュー
#include<set>//集合
#include<stack>//スタック
#include<string>//文字列
#include<unordered_map>//イテレータあるけど順序保持しないmap
#include<unordered_set>//イテレータあるけど順序保持しないset
#include<utility>//pair
#include<vector>//可変長配列
#include<valarray>//なんとなく追加
#include<windows.h>

using namespace std;
typedef long long ll;

//マクロ
//forループ関係
//引数は、(ループ内変数,動く範囲)か(ループ内変数,始めの数,終わりの数)、のどちらか
//Dがついてないものはループ変数は1ずつインクリメントされ、Dがついてるものはループ変数は1ずつデクリメントされる
#define REP(i,n) for(ll i=0;i<(ll)(n);i++)
#define REPD(i,n) for(ll i=n-1;i>=0;i--)
#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++)
#define FORD(i,a,b) for(ll i=a;i>=(ll)(b);i--)
//xにはvectorなどのコンテナ
#define ALL(x) (x).begin(),(x).end() //sortなどの引数を省略したい
#define SIZE(x) ((ll)(x).size()) //sizeをsize_tからllに直しておく
#define MAX(x) *max_element(ALL(x)) //最大値を求める
#define MIN(x) *min_element(ALL(x)) //最小値を求める
//定数
#define INF 1000000000000 //10^12:極めて大きい値,∞
#define MOD 1000000007 //10^9+7:合同式の法
#define MAXR 100000 //10^5:配列の最大のrange(素数列挙などで使用)
//略記
#define PB push_back //vectorヘの挿入
#define MP make_pair //pairのコンストラクタ
#define F first //pairの一つ目の要素
#define S second //pairの二つ目の要素
#define view Sleep(2000)


signed main() {

	int a, b;
	cin >> a >> b;
	a = a*b;
	if (a % 2 == 0) {
		cout << "Even" << endl;
	}
	else cout << "Odd" << endl;
	view;
}

Compiler output:
a.cc:22:9: fatal error: windows.h: No such file or directory
   22 | #include<windows.h>
      |         ^~~~~~~~~~~
compilation terminated.
Language: C++

//インクルード(アルファベット順)
#include<algorithm>//sort,二分探索,など
#include<bitset>//固定長bit集合
#include<cmath>//pow,logなど
#include<complex>//複素数
#include<deque>//両端アクセスのキュー
#include<functional>//sortのgreater
#include<iomanip>//setprecision(浮動小数点の出力の誤差)
#include<iostream>//入出力
#include<iterator>//集合演算(積集合,和集合,差集合など)
#include<map>//map(辞書)
#include<numeric>//iota(整数列の生成),gcdとlcm(c++17)
#include<queue>//キュー
#include<set>//集合
#include<stack>//スタック
#include<string>//文字列
#include<unordered_map>//イテレータあるけど順序保持しないmap
#include<unordered_set>//イテレータあるけど順序保持しないset
#include<utility>//pair
#include<vector>//可変長配列
#include<valarray>//なんとなく追加
#include<windows.h>

using namespace std;
typedef long long ll;

//マクロ
//forループ関係
//引数は、(ループ内変数,動く範囲)か(ループ内変数,始めの数,終わりの数)、のどちらか
//Dがついてないものはループ変数は1ずつインクリメントされ、Dがついてるものはループ変数は1ずつデクリメントされる
#define REP(i,n) for(ll i=0;i<(ll)(n);i++)
#define REPD(i,n) for(ll i=n-1;i>=0;i--)
#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++)
#define FORD(i,a,b) for(ll i=a;i>=(ll)(b);i--)
//xにはvectorなどのコンテナ
#define ALL(x) (x).begin(),(x).end() //sortなどの引数を省略したい
#define SIZE(x) ((ll)(x).size()) //sizeをsize_tからllに直しておく
#define MAX(x) *max_element(ALL(x)) //最大値を求める
#define MIN(x) *min_element(ALL(x)) //最小値を求める
//定数
#define INF 1000000000000 //10^12:極めて大きい値,∞
#define MOD 1000000007 //10^9+7:合同式の法
#define MAXR 100000 //10^5:配列の最大のrange(素数列挙などで使用)
//略記
#define PB push_back //vectorヘの挿入
#define MP make_pair //pairのコンストラクタ
#define F first //pairの一つ目の要素
#define S second //pairの二つ目の要素
#define view Sleep(2000)


signed main() {

	int a, b;
	cin >> a >> b;
	a = a*b;
	if (a % 2 == 0) {
		cout << "Even" << endl;
	}
	else cout << "Odd" << endl;
}

Compiler output:
a.cc:22:9: fatal error: windows.h: No such file or directory
   22 | #include<windows.h>
      |         ^~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;

public class App {
    public static void main(String[] args) throws Exception {
      Scanner sc = new Scanner(System.in);
      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());

      int result = a * b;

      if(result % 2 == 0){
        System.out.println("Even");
      }else{
        System.out.println("Odd");
      }
      sc.close();
    }
    
}

Compiler output:
Main.java:3: error: class App is public, should be declared in a file named App.java
public class App {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int A, B;
  cin >> A >> B;

  if ((A % 2) == 1) && (B % 2) == 1) {
    cout << "Odd" << endl;
  }
  else{
    cout << "Even" << endl;
  }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:24: error: expected identifier before '(' token
    8 |   if ((A % 2) == 1) && (B % 2) == 1) {
      |                        ^
Language: Java

import java.util.Scanner;

public class ex1 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        if ((a * b) % 2 == 0)
            System.out.println("Even");
        else
            System.out.println("Odd");
    }

}


Compiler output:
Main.java:3: error: class ex1 is public, should be declared in a file named ex1.java
public class ex1 {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
    int a, b;
    cin >> a >> b;

    if((a * b) % 2 = 0){
        cout << " 'Even' "<<endl;
    }
    if((a * b) % 2 = 1){
        cout << " 'Odd' "<<endl;
    }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: lvalue required as left operand of assignment
    8 |     if((a * b) % 2 = 0){
      |        ~~~~~~~~^~~
a.cc:11:16: error: lvalue required as left operand of assignment
   11 |     if((a * b) % 2 = 1){
      |        ~~~~~~~~^~~
Language: Java


public class Main {

	public static void main(String[] args) {
		int a ,b;
		int c = a * b;
		if (c % 2 == 0) {
			System.out.print("Even");
		} else {
			System.out.print("Add");
		}

	}

}


Compiler output:
Main.java:6: error: variable a might not have been initialized
		int c = a * b;
		        ^
Main.java:6: error: variable b might not have been initialized
		int c = a * b;
		            ^
2 errors
Language: Java


public class Main {

	public static void main(String[] args) {
		int a ,b;
		c = a * b;
		if (c % 2 == 0) {
			System.out.print("Even");
		} else {
			System.out.print("Add");
		}

	}

}


Compiler output:
Main.java:6: error: cannot find symbol
		c = a * b;
		^
  symbol:   variable c
  location: class Main
Main.java:7: error: cannot find symbol
		if (c % 2 == 0) {
		    ^
  symbol:   variable c
  location: class Main
2 errors
Language: Java


public class ABC086 {

	public static void main(String[] args) {
		int a = 0;
		int b = 0;
		int c = 0;
		c = a * b;
		if (c % 2 == 0) {
			System.out.print("Even");
		} else {
			System.out.print("Add");
		}

	}

}


Compiler output:
Main.java:2: error: class ABC086 is public, should be declared in a file named ABC086.java
public class ABC086 {
       ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main(){}
    int a, b;
    cin >> a >> b;
    int c = a * b;
    if (c % 2 == 1) cout << "Odd" << endl;
    else cout << "Even" << endl;
    return 0;
}


Compiler output:
a.cc:6:5: error: 'cin' does not name a type
    6 |     cin >> a >> b;
      |     ^~~
a.cc:8:5: error: expected unqualified-id before 'if'
    8 |     if (c % 2 == 1) cout << "Odd" << endl;
      |     ^~
a.cc:9:5: error: expected unqualified-id before 'else'
    9 |     else cout << "Even" << endl;
      |     ^~~~
a.cc:10:5: error: expected unqualified-id before 'return'
   10 |     return 0;
      |     ^~~~~~
a.cc:11:1: error: expected declaration before '}' token
   11 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
	int a,b
	cin >> a >> b;
  	if( a*b % 2 == 0)
    {
      cout << "Even" << endl;
    }
  else
  {
    cout << "Odd" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: expected initializer before 'cin'
    6 |         cin >> a >> b;
      |         ^~~
a.cc:7:15: error: 'b' was not declared in this scope
    7 |         if( a*b % 2 == 0)
      |               ^
Language: Java

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        if ((a * b) % 2 == 0)
            System.out.println("Even");
        else
            System.out.println("Odd");
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

Scanner scan = new Scanner(System.in);
int a = scan.nextInt();
int b = scan.nextInt();
if((a * b) % 2 == 0) System.out.println("Even");
else System.out.println("Odd");


Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
Scanner scan = new Scanner(System.in);
^
  (use --enable-preview to enable unnamed classes)
Main.java:4: error: class, interface, enum, or record expected
if((a * b) % 2 == 0) System.out.println("Even");
^
Main.java:5: error: class, interface, enum, or record expected
else System.out.println("Odd");
^
3 errors
Language: C++

#include <iostream>
using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  int c = a * b;
  if(c % 2 == 0) cont << "Even" << endl;
  else cont << "Odd" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'cont' was not declared in this scope; did you mean 'const'?
    8 |   if(c % 2 == 0) cont << "Even" << endl;
      |                  ^~~~
      |                  const
a.cc:9:8: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 |   else cont << "Odd" << endl;
      |        ^~~~
      |        const
Language: C++

#include <iostream>
using namespace std;

int main(){
int a, b;
  cin >> a >> b;
  int c = a * b;
  if(c % 2 == 0){
cont << "Even" << endl;
  }else{
    cont << "Odd" << endl;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:9:1: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 | cont << "Even" << endl;
      | ^~~~
      | const
a.cc:11:5: error: 'cont' was not declared in this scope; did you mean 'const'?
   11 |     cont << "Odd" << endl;
      |     ^~~~
      |     const
a.cc:12:4: error: expected '}' at end of input
   12 |   }
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int A, B;
  cin >> A >> B;
  int c = A * B; 
  if(c%2 == 0) puts("Even"); 
  else puts("Odd"); 
  return 0 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: expected ';' before '}' token
   10 |   return 0
      |           ^
      |           ;
   11 | }
      | ~
Language: C++

#include <iostream>
using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  int c = a * b;
  if(c % 2 == 0)cont << "Even" << endl;
  else cont << "Odd" << endl;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'cont' was not declared in this scope; did you mean 'const'?
    8 |   if(c % 2 == 0)cont << "Even" << endl;
      |                 ^~~~
      |                 const
a.cc:9:8: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 |   else cont << "Odd" << endl;
      |        ^~~~
      |        const
Language: C++

#include <iostream>
using namespace std;

int main() {
  	int a,b ;
  	cin >> a >> b;
  	int c = a * b;
  
  if(c % 2 == 0)cont << "Even" << endl;
  else cont << "Odd" << endl
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 |   if(c % 2 == 0)cont << "Even" << endl;
      |                 ^~~~
      |                 const
a.cc:10:8: error: 'cont' was not declared in this scope; did you mean 'const'?
   10 |   else cont << "Odd" << endl
      |        ^~~~
      |        const
Language: C++

#include <iostream>
using namespace std;

int main() {
 	int a, b;
  	cin >> a >> b;
  	int c = a * b;
  if(c % 2 == 0) cont << "Even" << endl;
  else cont << "Odd" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'cont' was not declared in this scope; did you mean 'const'?
    8 |   if(c % 2 == 0) cont << "Even" << endl;
      |                  ^~~~
      |                  const
a.cc:9:8: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 |   else cont << "Odd" << endl;
      |        ^~~~
      |        const
Language: C++

#include <iostream>
using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  int c = a * b;
  if(c % 2 == 0) cont << "Even" << endl;
  else cont << "Odd" << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'cont' was not declared in this scope; did you mean 'const'?
    8 |   if(c % 2 == 0) cont << "Even" << endl;
      |                  ^~~~
      |                  const
a.cc:9:8: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 |   else cont << "Odd" << endl;
      |        ^~~~
      |        const
a.cc:9:30: error: expected '}' at end of input
    9 |   else cont << "Odd" << endl;
      |                              ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;

int main(){
  int a, b;
  cin >> a >> b;
  int c = a * b;
  if(c % 2 == 0) cout << "Even" << end1;
  else cout << "Odd" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:36: error: 'end1' was not declared in this scope
    8 |   if(c % 2 == 0) cout << "Even" << end1;
      |                                    ^~~~
Language: C++

#include <iostream>
using namespace std;

int main(){
	int a, b;
  cin >> a >> b;
  int c = a * b:
  if(c % 2 == 0)cont << "Even" << endl;
  else cont << "Odd" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expected ',' or ';' before ':' token
    7 |   int c = a * b:
      |                ^
a.cc:9:3: error: 'else' without a previous 'if'
    9 |   else cont << "Odd" << endl;
      |   ^~~~
a.cc:9:8: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 |   else cont << "Odd" << endl;
      |        ^~~~
      |        const
Language: C++

#include <iostream>
using namespace std;

int main(){
	int a, b;
  cin >> a >> b;
  int c = a * b;
  if(c % 2 == 0) cont << "Even" << endl;
  else cont << "Odd" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'cont' was not declared in this scope; did you mean 'const'?
    8 |   if(c % 2 == 0) cont << "Even" << endl;
      |                  ^~~~
      |                  const
a.cc:9:8: error: 'cont' was not declared in this scope; did you mean 'const'?
    9 |   else cont << "Odd" << endl;
      |        ^~~~
      |        const
Language: C++

int main (){
  int a ,b;
    cin >>a >>b;
  int c = a * b ;
  if ( c %2 == 0) puts (" Even ");
  else puts (" Odd ");
 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:5: error: 'cin' was not declared in this scope
    3 |     cin >>a >>b;
      |     ^~~
a.cc:5:19: error: 'puts' was not declared in this scope
    5 |   if ( c %2 == 0) puts (" Even ");
      |                   ^~~~
a.cc:6:8: error: 'puts' was not declared in this scope
    6 |   else puts (" Odd ");
      |        ^~~~
Language: C++

int main (){
  int a ,b;
  cin >>a >>b;
  int c = a * b ;
  if ( c %2 == 0) puts (" Even ");
  else puts (" Odd ");
 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >>a >>b;
      |   ^~~
a.cc:5:19: error: 'puts' was not declared in this scope
    5 |   if ( c %2 == 0) puts (" Even ");
      |                   ^~~~
a.cc:6:8: error: 'puts' was not declared in this scope
    6 |   else puts (" Odd ");
      |        ^~~~
Language: C++

int main (){
  int a ,b;
   cin >>a >>b;
  int c = a * b ;
  if ( c %2 == 0) puts (" Even ");
  else puts (" Odd ");
 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:4: error: 'cin' was not declared in this scope
    3 |    cin >>a >>b;
      |    ^~~
a.cc:5:19: error: 'puts' was not declared in this scope
    5 |   if ( c %2 == 0) puts (" Even ");
      |                   ^~~~
a.cc:6:8: error: 'puts' was not declared in this scope
    6 |   else puts (" Odd ");
      |        ^~~~
Language: C++

int main (){
  int a ,b;
   cin >>a > >b;
  int c = a * b ;
  if ( c %2 == 0) puts (" Even ");
  else puts (" Odd ");
 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:4: error: 'cin' was not declared in this scope
    3 |    cin >>a > >b;
      |    ^~~
a.cc:3:14: error: expected primary-expression before '>' token
    3 |    cin >>a > >b;
      |              ^
a.cc:5:19: error: 'puts' was not declared in this scope
    5 |   if ( c %2 == 0) puts (" Even ");
      |                   ^~~~
a.cc:6:8: error: 'puts' was not declared in this scope
    6 |   else puts (" Odd ");
      |        ^~~~
Language: C++

int main (){
  int a ,b;
  cin >>a > >b;
  int c = a * b ;
    if ( c %2 == 0) puts (" Even ");
    else puts (" Odd ");
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >>a > >b;
      |   ^~~
a.cc:3:13: error: expected primary-expression before '>' token
    3 |   cin >>a > >b;
      |             ^
a.cc:5:21: error: 'puts' was not declared in this scope
    5 |     if ( c %2 == 0) puts (" Even ");
      |                     ^~~~
a.cc:6:10: error: 'puts' was not declared in this scope
    6 |     else puts (" Odd ");
      |          ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a , b ;
  int c = a*b;  
    cin >> a >> b;
    if (c%2 == 0){
      cout << "Even" << endl;
    }
    if else(c%2 == 1){
      cout << "Odd" << endl;
    }
}


    


Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: expected '(' before 'else'
   11 |     if else(c%2 == 1){
      |        ^~~~
      |        (
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int a , b ;
  int c = a*b  
    cin >> a >> b;
    if (c%2 == 0){
      cout << "even" << endl;
    }
    else{
      cout << "odd" << endl;
    }
}


    


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: expected ',' or ';' before 'cin'
    7 |     cin >> a >> b;
      |     ^~~
Language: C++

#include <iostream>
using namespace std;

int main(){
 int a, b;
  cin >> a >> b;
  int c = a * b;
  
  if(c % 2 == 0) cout << "Even" << end1;
  else cout << "Odd" << end1;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:36: error: 'end1' was not declared in this scope
    9 |   if(c % 2 == 0) cout << "Even" << end1;
      |                                    ^~~~
a.cc:10:25: error: 'end1' was not declared in this scope
   10 |   else cout << "Odd" << end1;
      |                         ^~~~
Language: C++

#include <iostream>

using namespace std;

int main(){
	int a,b;
  cin >> a >> b;
  int c = a * b;
  
  if(c % 2 = 0) cout << "Even" << end1;
  else cout << "Odd" << end1;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: lvalue required as left operand of assignment
   10 |   if(c % 2 = 0) cout << "Even" << end1;
      |      ~~^~~
a.cc:10:35: error: 'end1' was not declared in this scope
   10 |   if(c % 2 = 0) cout << "Even" << end1;
      |                                   ^~~~
a.cc:11:25: error: 'end1' was not declared in this scope
   11 |   else cout << "Odd" << end1;
      |                         ^~~~
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main(){
 int a,b;
  cin >> a >> b;
  int c == a * b;
  if(c % 2 == 0){
   cout << "Even" << end1;
  }else{
     cout << "Odd" << end1;
     }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: expected initializer before '==' token
    7 |   int c == a * b;
      |         ^~
a.cc:8:6: error: 'c' was not declared in this scope
    8 |   if(c % 2 == 0){
      |      ^
a.cc:9:22: error: 'end1' was not declared in this scope
    9 |    cout << "Even" << end1;
      |                      ^~~~
a.cc:11:23: error: 'end1' was not declared in this scope
   11 |      cout << "Odd" << end1;
      |                       ^~~~
Language: C

#include<stdio.h>
int main()
{int a,b,c;
scanf("%d,%d",&a,&b);
if(a*b%2==1){
printf("Odd");}else
{printf("Even");}



return 0
}


Compiler output:
main.c: In function 'main':
main.c:11:9: error: expected ';' before '}' token
   11 | return 0
      |         ^
      |         ;
   12 | }
      | ~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(ll i=0;i<(n);i++)
#define all(x) (x).begin(), (x).end()
using ll = long long;
using namespace std;
template <typename T>
using vec = std::vector<T>;

int main() {
    int a,b;
    cin >> a >> b;
    cout << ((a*b)%2==0)?"Even":"Odd") << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:38: error: expected ';' before ')' token
   12 |     cout << ((a*b)%2==0)?"Even":"Odd") << endl;
      |                                      ^
      |                                      ;
Language: C++

#include <bits/stdc++.h>
#define rep(i,n); for(int i = 0;i < (n);i++)
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
long double pi = acos(-1);
const int INF = 1001001001;


// 最小公倍数を求める
int euqlid (int a, int b){
  int temp;
  temp = a % b;
  if(temp == 0)return b;
  return euqlid(b,temp);
}
ll conbination(ll a,ll b){
  ll u = 1;
  ll d = 1;
  while(b != 0){
    u *= a;
    d *= b;
    a--;
    b--;
  }
  return u / d;
}
int strtoint(char s){
  return (int(s-'0'));
}
int fact(int n){
  if(n == 1)return 1;
  return n * fact(n-1);
  }


int main(){
  int a, b;
  cin >> a >> b;

  cout << ((a*b)%2 == 0)?"Even":"Odd" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:41:39: error: invalid operands of types 'const char [4]' and '<unresolved overloaded function type>' to binary 'operator<<'
   41 |   cout << ((a*b)%2 == 0)?"Even":"Odd" << endl;
      |                                 ~~~~~~^~~~~~~