Go: package main

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

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	input := scanner.Text()
	input = strings.ToUpper(input)
	fmt.Println(input)
}

C++: #include<cstdio>

int main(void) {
	char input[101];
	int s = 'a' - 'A', i;
	
	fgets(input, 100, stdin);
	for(i = 0; input[i] != 0; i++) {
		if(input[i] > 'a' && input[i] < 'z') { input[i] -= s; }
	}
	printf("%s", input);
	
	return 0;
}

C++: #include<iostream>
#include<cctype>
#include<string>
using namespace std;
int main(){
	string str;
	getline(cin, str);
	int str_size = str.size();
	for(int i=0;i<str_size;i++){
		if(islower(str[i]))
			str[i] = toupper(str[i]);
	}
	cout << str << endl;
	return 0;
}

C++: #include <iostream>
#include <vector>
#include <utility>
#include <string>
#include <algorithm>
#include <numeric>
#include <cmath>
#include <string.h>
#include <deque>
#define REP(i,j,n) for(int i=j;i<n;i++)
#define SORT(x) sort(x.begin(),x.end())

using namespace std;



int main() {
	char v[200];
	fgets(v, 200, stdin);
	REP(i, 0, strlen(v)) {
		if (65 <= v[i] && v[i] <= 91) v[i] += 'a' - 'A';
		else if(92<=v[i] && v[i]<=118) v[i] -= 'a' - 'A';
		cout << v[i];
	}
	cout << endl;


	return 0;
}

C++: #include<iostream>
#include<stdio.h>
#include<string.h>
using namespace std;

int main(void){
  string s;
  getline(cin,s);
  for(int i = 0 ; i < s.size() ; i ++){
    printf("%c",toupper(s[i]));
	   }printf("\n");
    
}

C++: #include <stdio.h>
#include <ctype.h>

int main(void)
{
	char str[256];
	
	fgets(str, 256, stdin);
	
	for (int i = 0; str[i] != '\0'; i++){
		str[i] = toupper(str[i]);
	}
	
	printf("%s", str);
	
	return (0);
}

C++: #include<cstdio>
#include<iostream>

using namespace std;

int main(void) {
	string input;
	int s = 'a' - 'A', i;
	
	getline(cin, input);
	for(i = 0; (int)input.size() > i; i++) {
		if(input[i] > 'a' && input[i] < 'z') { input[i] -= s; }
	}
	cout << input << endl;
	
	return 0;
}

C++: include <stdio.h>
#include <ctype.h>
#include <string.h>

int main(void){
	char in[256];
	fgets(in, 255, stdin);
	int len = strlen(in) - 1;
	in[len] = '\0';
	for(int i=0; i<len; ++i){
		in[i] = toupper(in[i]);
	}
	puts(in);
	return 0;
}

C++: #include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int main(){
	char cent[10000];
	for(int i=0;;i++){
		if(scanf("%c",&cent[i]) == EOF){break;}
		if(cent[i]>=97 && cent[i]<=122){cent[i]-=32;}
	}
	cout<<cent;
	return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <ctype.h>
#include <string>
using namespace std;
 
int main (){
 
//変数宣言
 
    int i=0,j=0;
    string temp,str="";
 
    while(cin>>temp){
//変換
        for(i=0;i<temp.size();i++){
            if (islower(temp[i])){
                temp[i] = toupper(temp[i]);
            }else{
                temp[i] = tolower(temp[i]);
            }
        }
         
        if (j!=0) {
            str = str + " " + temp;
        }else{
            str = temp;
        }
        j++;
         
    }
     
//出力
    cout << str << endl;
    return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <math.h>
#include <string>
using namespace std;

int main(){
	string x;
	int i;
	while(getline(cin, x)){
		for(i = 0;i < x.size();i++){
			if(x[i] >= 'a' && x[i] <= 'a' + 25){
				x[i] = 'A' + (x[i] - 'a');
			}
		}
		cout << x << endl;
	}

	return 0;
}

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

int main()
{
    char c;
    while( cin.get(c) ) cout.put(toupper(c));
    return 0;
}

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

int main()
{
	string str;
	char in;

	while(scanf("%c",&in) && in != '\n'){
		if('a' <= in && in <= 'z'){
			in += ('A'-'a');
		}
		str.push_back(in);
	}
	cout << str << endl;

	return 0;
}

C++: //include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <fstream>
#include <complex>
#include <math.h>
#include <ctype.h>
using namespace std;

//conversion
//------------------------------------------
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}

//math
//-------------------------------------------
template<class T> inline T sqr(T x) {return x*x;}

//typedef
//------------------------------------------
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef pair<long, long> PLL;
typedef long long LL;
//container util
//------------------------------------------
#define ALL(a)  (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SZ(a) int((a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())

//repetition
//------------------------------------------
#define FOR(i,a,b) for(long i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)

//constant
//--------------------------------------------

//clear memory
#define CLR(a) memset((a), 0 ,sizeof(a))

const long double EPS = 1e-12;
const double INF = 1e12;


int main(){
	string str;
	getline(cin,str);
	REP(i,SZ(str))str[i]=toupper(str[i]);
	cout<<str<<endl;
	return 0;
}

C++: #include <cstdio>
#include <cctype>

using namespace std;

int main()
{
	char x;

	while (scanf("%c", &x) != EOF) {
		if (islower(x)) {
			x = toupper(x);
		}
		printf("%c", x);
	}
	putchar('\n');
	return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<string>
using namespace std;
int main()
{
	string a;
	getline(cin,a);
	transform(a.begin(), a.end(), a.begin(), toupper);
	cout << a << endl;
	return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<vector>
#include<string>
using namespace std;
typedef long long ll;
int main(){
    string s;
        getline(cin,s);
        for(int i=0;s[i]!='\0';i++){
            if(s[i]>='a'&&s[i]<='z')    s[i]-=32;
        }
        for(int i=0;s[i]!='\0';i++){
            cout << s[i];
        }
        cout << '\0';
    return 0;
}

C++: #include <stdio.h>
#include <iostream>
#include <algorithm>
#include <math.h>

using namespace std;

int main(){

	char buf[201];
	fgets(buf,201,stdin);
	for(int i=0;buf[i]!='\0';i++){
		if(buf[i] >= 97 && buf[i] <=122){
			buf[i] -= 32;
		}
	}

	printf("%s\n",buf);
    return 0;
}

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

int main(){
	string str;
	getline(cin, str);
	for(int i = 0; i < str.size(); i++){
		if(str[i] < 90){
			continue;
		}
		else{
			str[i] -= 32;
		}
	}
	cout << str << endl;
	return 0;
}

C++: #include <iostream>
#include <cstdlib>

#include <algorithm>
#include <string>

int main()
{
    std::string s;
    int i=0;
    while(std::cin>>s){
        if(i!=0)std::cout<<" ";
        transform (s.begin (), s.end (), s.begin (), toupper);
    std::cout << s;
          i=1;
    }
    std::cout<<std::endl;
    return 0;
}

C++: #include <iostream>

std::string str;

int main() {
    getline(std::cin, str);

    for(char c : str) {
        if(c == '\n') break;
        if(c >= 'a' && c <= 'z') {
            char upper = (c - 'a') + 'A';
            std::cout << upper;
        } else {
            std::cout << c;
        }
    }
}

C++: #include<cstdio>

using namespace std;

int main(void){
	int i;
	char ch[10000];

	for(i=0;;i++){
		scanf("%c",&ch[i]);
		if(ch[i]=='\n')
			break;
		if('a'<=ch[i] && ch[i]<='z')
			ch[i]-='a'-'A';
		else if('A'<=ch[i] && ch[i]<='Z')
			ch[i]+='a'-'A';
	}

	printf("%s",ch);

	return 0;
}