Go: package main

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

var sc = bufio.NewScanner(os.Stdin)

func main() {
	sc.Scan()
	fmt.Println(strings.ToUpper(sc.Text()))
}

C++: #include <iostream>
#include <iomanip>
#include <vector>
#include <set>
#include <map>
#include <list>
#include <iterator>
#include <queue>
#include <stack>
#include <deque>
#include <sstream>
#include <algorithm>
#include <numeric>
#include <string>
#include <cmath>
#include <complex>
#include <functional>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cassert>
#include <cstdlib>
#include <cctype>

#define REP(i,m,n) for(int i=m;i<n;i++)
#define rep(i,n) for(int i=0;i<n;i++)
#define rp(i,c) rep(i,(int)c.size())
#define fr(i,c) for(__typeof((c).begin()) i=(c).begin();i!=(c).end();i++)
#define mp make_pair
#define pb push_back
#define all(c) (c).begin(),(c).end()
#define rall(u) (u).rbegin(),(u).rend()
#define dbg(x) cerr<<#x<<" = "<<(x)<<endl
#define v_delete(a,b) (a).erase(remove((a).begin(), (a).end(), b), (a).end())
#define v_unique(a) (a).erase(unique((a).begin(), (a).end()), (a).end())
#define VV(T) vector<vector< T > >
#define init(a,b) memset((a), (b), sizeof((a)))
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pi;
const int inf=1<<28;
const double INF=1e10,EPS=1e-9;


template<class T>int SIZE(T a){return a.size();}
template<class T>string IntToString(T num){string res;stringstream ss;ss<<num;return ss.str();}
template<class T>T StringToInt(string str){T res=0;for(int i=0;i<SIZE(str);i++)res=(res*10+str[i]-'0');return res;}
template<class T>T gcd(T a,T b){if(b==0)return a;return gcd(b,a%b);}
template<class T>T lcm(T a,T b){return a/gcd(a,b)*b;}

template <class T> void input(T& a, int n) { for (int i = 0; i < n; ++i) cin >> a[i]; }
template <class T> void input(T* a, int n) { for (int i = 0; i < n; ++i) cin >> a[i]; }
typedef pair<int,int> pii;

string genstr(string& s){
	string ans="";
	rp(i,s){
		if('A'<=s[i] && s[i]<='z'){
			ans+=s[i]-('a'-'A');
		}else{
			ans+=s[i];
		}
	}
	return ans;
}
int main()
{
	string n;
	getline(cin,n);
	cout << genstr(n) << endl;
}

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

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

	return 0;
}

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

int main(){
	char input[1000];
	for(int i=0; i < 1000; i++) input[i] = '\0';
	while(scanf("%c", input) != EOF){
		for(int i=0; i < strlen(input); i++){
			if('a' <= input[i] && input[i] <= 'z'){
				input[i] += 'A' - 'a';
			}
			cout << input[i];
			input[i] = '\0';
		}
	}
}

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

using namespace std;

void solve()
{
	string str;
	while(getline(cin, str))
	{
		for(int i = 0; i < str.size(); ++i)
		{
			if(str[i] >= 'a' && str[i] <= 'z')
			{
				str[i] -= 32;
			}
			cout << str[i];
		}
		cout << endl;
	}
}

int main()
{
	solve();
	return(0);
}

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

int main()
{
	char Sentence[201];
	fgets(Sentence, 201, stdin);
	for(int i = 0; i < 201; i++){
		if('a' <= Sentence[i] && Sentence[i] <= 'z'){
			Sentence[i] += 'A' - 'a';
		}
	}
	printf("%s\n", Sentence);
	return 0;
}

C++:   1 #include<iostream>
  2 #include<ctype.h>
  3 
  4 using namespace std;
  5 
  6 #define OUT cout <<
  7 #define IN cin >>
  8 #define E << endl;
  9 #define FOR(i,a,b) for(int i = a;i < b;i++)
 10 
 11 
 12 string str;
 13 
 14 
 15 int main(){
 16     while(IN str){
 17         FOR(i,0,str.size()){
 18             str[i] = (char)toupper((int)(str[i]));
 19         }
 20         OUT str << " ";
 21 }
 22     OUT "\n";
 23 
 24 }
 25

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

int main(){
	string str;
	getline(cin,str);
	for(int i= 0;i<str.size();i++){
		str[i] = toupper(str[i]);
	}
	cout << str;
	return 0;
}

C++: #include <stdio.h>

int main() {
	char ch[200];
	gets(ch);
	for (int i=0; i<200; i++)
	{
		if (ch[i] >= 'a' && ch[i] <= 'z')
		{
			ch[i]-=32;
		}
	}
	printf("%s",ch);
}

C++: #include<cstdio>
int main(c){for(;~(c=getchar());putchar(c>96?c-32:c));}

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

int main() {
  string str; 
  int flag = 1;
  while ( flag ) {
    cin >> str;
    if ( str[str.size()-1] == '.' ) flag = 0;
    for ( int i = 0; i < str.size(); i++ ) {
      if ( str[i] >= 'a' && str[i] <= 'z' ) {
	str[i] -= 32;
      }
    }
    cout << str << " ";
  }
  cout << endl;
  return 0;
}

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

int main(){

  string str;

  getline(cin,str);

  for(int i=0;i<str.size();i++){
    if(str[i]<123 && str[i]>96) printf("%c",str[i]-32);
    else cout << str[i];
  }
  cout << endl;
}

C++: #include<iostream>
#include<cstdio>
#include<cctype>
using namespace std;
#define ARRAY_MAX 200

int main(void){

    char array[ARRAY_MAX];

    int i = 0;

    fgets(array,ARRAY_MAX,stdin);

    while(array[i] != '\0'){
        array[i] = toupper(array[i]);
        i++;
    }
    
    cout << array << endl;
    
    return 0;
}

C++: #include <iostream>
#include <vector>
#include <algorithm>
#include <cstdio>
#include <string>

#define rep(x,to) for(int x=0;x<to;x++)
#define rep2(x,from,to) for(x=from;x<to;x++)

using namespace std;


int main(void){

string bn;
	
	getline(cin,bn);
	rep(i,bn.size()) 
		if(bn[i] >= 'a' && bn[i] <= 'z') bn[i] += 'A' - 'a';

	cout << bn << endl;
	return 0;
}

C++: #include <iostream>
#include <cctype>
using namespace std;
 
int main(){
    while(true){
        char s;
        cin.get(s);
        if(islower(s)){
            s = toupper(s);
        }
        cout << s;
        if(s == '\n'){
            break;
        }
    }
    return(0);
}

C++: //00220
#include <bits/stdc++.h>
using namespace std;

int main(){
	string str;
	getline(cin,str);
	transform(str.begin(),str.end(),str.begin(),::toupper);
	cout<<str<<endl;

	return 0;
}

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

struct ToUpper {
    char operator()(char c) { return toupper(c); }
};

int main(void)
{
	string a;
	getline(cin,a);
	transform(a.begin(),a.end(),a.begin(),ToUpper());
	cout<<a<<endl;
	return 0;
}

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

int main()
{
	string s;
	while (getline(cin,s))
	{
		string ss = "";
		for (int i = 0; i < s.size(); i++)
		{
			if (s[i] == ' ' || s[i] == '.')
			{
				ss += s[i];
			}
			else
			{
				ss += (s[i] - ' ');
			}
		}
		cout << ss << endl;
	}
	return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <cctype>
#include <cstdio>
#include <math.h>
using namespace std;
&#160;
int main(){
&#160;
char ch;
&#160;
while(1){
&#160;&#160;&#160;&#160;scanf("%c", &ch);
&#160;&#160;&#160;&#160;if ( ch == '\n' ) break;
&#160;&#160;&#160;&#160;char d=toupper(ch);
&#160;&#160;&#160;&#160;cout<<d;
}
&#160;&#160;&#160;&#160;cout<<endl;
}