Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

var sc = bufio.NewScanner(os.Stdin)

//Sliceconvtoi ...
func Sliceconvtoi() []int {
	strs := strings.Split(sc.Text(), " ")

	var ints []int
	var x int

	for _, s := range strs {
		x, _ = strconv.Atoi(s)
		ints = append(ints, x)
	}

	return ints
}

func main() {

	for sc.Scan() {
		i := Sliceconvtoi()
		fmt.Println(i[0] + i[1])
	}

}

C++: #include<iostream>

using namespace std;

int main(){
int a,b;
cin >> a >> b;
cout << a + b << endl;
return 0;
}

C++: #include<cstdio>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include <iostream>

using namespace std;

int main(){

int x,y;

while(true){
cin >> x >> y;
if(x == EOF and y == EOF)
cout << x + y << endl;
}

}

C++: #include <iostream>
using namespace std;

int main() {
	int a, b;
	while (cin >> a >> b) {
		cout << a + b << endl;
	}
	return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
  cout<< "Hello" <<endl;
  return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
	int a, b;

	while (cin >> a >> b){
		cout << (a + b) << endl;
	} // end loop
		
	return 0;
}

C++: #include <iostream>
#include <algorithm>
#define ll long long
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    ll a, b;
    while(cin >> a >> b)
    {
        cout << a + b << "\n";
    }
    return 0 ;
}

C++: #include <cstdio>
main(){int a,b;while(~scanf("%d %d",&a,&b))printf("%d\n",a+b);}

C++: #include <iostream>
int a,b;
int main(){
while(std::cin>>a>>b){
int c=0;
for(long long i=0;i<1000000000000000000LL;i++)c++;
std::cout<<a+b+c/c-1<<std::endl;
}
}

C++: #include<iostream>
using namespace std;

int main(){int a,b;while(cin>>a>>b)cout<<a+b<<endl;return 0;}

C++: #include <bits/stdc++.h>
#include <cstdio>

int main(int args, char **ppArgs)
{
	__asm volatile
	(
		"sub		$(12 + 8 + 8 + 4),	%esp					\n\t"	// (arg[0:2], a, b, "%d %d\0\0\0", "%d\n")
		"movl	$0x25206425,	(12 + 8 + 0)(%esp)	\n\t"
		"movl	$0x00000064,	(12 + 8 + 4)(%esp)	\n\t"	// "%d %d"
		"movl	$0x000A6425,	(12 + 8 + 8 + 0)(%esp)	\n\t"	// "%d\n"
		
		"L_Input:	\n\t"
		"lea		(12 + 8)(%esp),	%eax			\n\t"
		"movl	%eax,	0(%esp)	\n\t"
		"sub		$4,	%eax		\n\t"
		"movl	%eax,	4(%esp)	\n\t"
		"sub		$4,	%eax		\n\t"
		"movl	%eax,	8(%esp)	\n\t"
		"call		_scanf	\n\t"
		"cmp		$0xFFFFFFFF,	%eax	\n\t"
		"jz		L_Exit	\n\t"
		
		"L_Print:	\n\t"
		"lea		(12 + 8 + 8)(%esp),	%eax			\n\t"
		"movl	%eax,	0(%esp)	\n\t"
		"movl	(12 + 0)(%esp),	%eax	\n\t"
		"movl	(12 + 4)(%esp),	%ebx	\n\t"
		"add		%ebx,	%eax	\n\t"
		"movl	%eax,	4(%esp)	\n\t"
		"call		_printf	\n\t"
		"jmp	L_Input	\n\t"
		
		"L_Exit:	\n\t"
		"add		$(12 + 8 + 8 + 4),	%esp					\n\t"
	);
}

C++: #include<cstdio>

using namespace std;

int main(){
	for(int a,b;~scanf("%d%d",&a,&b);)	printf("%d\n",a+b);
	return 0;
}

C++: /*************************************************************************
    > File Name: 899A.cpp
    > Author: xudian
    > Email: xudianc@gmail.com
    > Created Time: 五  1/12 22:19:18 2018
 ************************************************************************/

#include <iostream>
#include <algorithm>
#include <cstring>
#include <cstdio>

using namespace std;

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int a, b;
	int n;
	int tmp;
	a = b = 0;
	cin >> n;
	for (int i = 0; i < n; ++i){
		cin >> tmp;
		if (tmp == 1){
			++a;
		}else{
			++b;
		}
	}
	int cost = min(a, b);
	cout << cost + (a - cost) / 3 << endl;
	return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
  int a,b;
  while(cin>>a>>b) {
    cout<<a+b<<endl;
  }
  return 0;
}

C++: #include<stdio.h>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include <iostream>
using namespace std;
int main ()
{
int a, b;
while (cin >> a >> b)
cout << a + b << endl;
return 0;
}

C++: #include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>

////////////////*My library*////////////////////////
#define rep_to(a,i,n) for(i=a;i<n;i++)
#define rep(i,n) for(i=0;i<n;i++)
#define rep_r(i,n) for(i=n-1;i>=0;i--)
#define debug_i(x) printf("x:%d\n",x)
#define debug_f(x) printf("x:%f\n",x)
#define debug_s(str) printf("str:%s\n",str)
#define debug_c(c) printf("c:%c\n",c)
#define s_i1(x) scanf("%d",&x)
#define s_i2(x,y) scanf("%d %d",&x,&y)
#define s_i3(x,y,z) scanf("%d %d %d",&x,&y,&z)
////////////////////////////////////////////////////

////////////////////////
/*prime()*/
/*primecount()*/
/*sort()*/
///////////////////////

int main()
{
	int a,b;
	while(s_i2(a,b)!=EOF){
	printf("%d\n", a+b);}
	return 0;
}

C++: #include <cstdio>

using namespace std;

int main() {
  int A, B;
  while (scanf("%d %d", &A, &B) == 2) {
    printf("%d\n", A+B);
  }
  return 0;
}

C++: #include<stdio.h>
int main(){

	int a, b;
	while (scanf("%d%d", &a, &b) != EOF){
		printf("%d\n", a + b);
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
    int a,b;
    while(cin >> a >> b){
        cout << a+b << endl;
    }
    return 0;
}

C++:     #include <iostream>
    using namespace std;
     
    int main() {
     
    int a,b;
    while(cin>>a>>b){
     
    cout<<a+b<<endl;}
     
     
    // your code goes here
     
    return 0;
    }

C++: #include<stdio.h>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include <iostream>
int main() {
  int i,j;
  while(std::cin >> i >> j) {
    std::cout << (i*j) << std::endl;
  }
}

C++: #include <iostream>
using namespace std;

int main(){
  int a, b;
  cin >> a >> b;
  cout << a+b << '\n';
}

C++: #include <iostream>

using namespace std;

int main()
{
椀nt a, b;
while(scanf("%d %d", &a, &b) != EOF)
printf("%dn", a+b);

return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
	int a, b;

	while (1) {
		cin>>a>>b;
		if (cin.eof()) break;
		cout<<a+b<<endl;
	}
	return 0;
}

C++: #include <iostream>
int a,b;
int main(){
while(std::cin>>a>>b){
long long c=0;
for(long long i=0;i<1000000000000000000LL;i++)c++;
std::cout<<a+b+c%9-1<<std::endl;
}
}

C++: #include<stdio.h>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
long a,b;
while(cin>>a>>b){
cout<<a+b<<endl;
}
return 0;
}

C++: main(int a,b){for(;~scanf("%d%d",&a,&b);)printf("%d\n",a+b);}

C++: #include<iostream>
using namespace std;

int main() {
	long long a, b;
	while (cin >> a >> b) {
		cout << a + b << endl;
	}
	return 0;
}

C++: #include<stdio.h>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include <cstdio>
int a,b;
int main()
{
int a,b;
while (~scanf("%d %d",&a,&b))
printf("%d\n",a+b);
return 1;
}

C++: #include <iostream>

using namespace std;

int main()
{
    int a,b;
    while(cin >> a >> b){
        cout << a+b << endl;
    }
    return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
	int a,b,w;
	while(cin>>a>>b){
		w=a+b;
		cout<<w<<endl;
	}
	return 0;
}

C++: #include <studio.h>

int main(){
int x,y;

while(scanf("%d %d",&x, &y) != EOF){
printf("%d\n", x + y);
}

}

C++: #include<cstdio>
#include<iostream>
using namespace std;

int main(){
	int a,b;
	while(scanf("%d %d",&a,&b)==2){
		cout<<a+b<<endl;
	}
	return 0;
}

C++: #include<iostream>
int main(){
    int a,b;
    while(std::cin>>a>>b)std::cout<<a+b<<std::endl;
}

C++: #include <iostream>
using namespace std;

int main() {
 int A,B;
 cin >> A >> B;
 cout << A + B << endl;
 return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<string>
using namespace std;
int main() {
	int a, b;
	while (cin >> a >> b) {
		cout << a + b << endl;
	}
}