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<sstream>
#include<fstream>
#include<cstdio>
#include<vector>
#include<list>
#include<stack>
#include<queue>
#include<deque>
#include<string>
#include<cmath>
#include<cstdlib>
#include<map>
#include<set>
#include<algorithm>
using namespace std;

int main(){
	string line;
	while(getline(cin,line)){
		string s;
		for(int x=0;x<line.size();++x){
			if(line[x]==' ' || line[x]=='.'){
				s += line[x];
			}else{
				s += line[x]-32;
			}
		}
		cout<<s<<endl;
	}
	return 0;	
}

C++: #include<iostream>
using namespace std;
int main(){
	int c;
	while((c=getc(stdin))!='\n'){
		putc((c>='a' and c<='z')?c+'A'-'a':c,stdout);
	}
         cout<<endl;
	return 0;
}

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

int main() {
	string str;
	getline(cin,str);
	transform(str.cbegin(), str.cend(), str.begin(), toupper);
	cout << str << endl;
	return 0;
}

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

using namespace std;

int main(void){
	
	int i;
	char a;
	vector<char> str;
	
	while(scanf("%c",&a)!=EOF){
		a=toupper(a);	
		str.push_back(a);
	}
	
	a=str.size();
	
	for(i=0;i<a;i++){
		cout<<str[i];
	}
	return 0;
}

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

C++: #include <iostream>
#include <algorithm>
#include <functional>
#include <vector>
#include <cstdio>
#include <string>
#include <cmath>
#include <cfloat>
#include <map>
using namespace std;
int main(){
	
	string x;
	
	getline(cin,x);
	transform(x.begin(),x.end(),x.begin(),toupper);
	cout<<x<<endl;
	

}

C++: #include <iostream>

std::string str;

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

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

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

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

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

using namespace std;

int main(void){
	
	int i;
	char a;
	vector<char> str;
	
	while(scanf("%c",&a)!=EOF){
		if('a'<=a&&a<='z'||a==' '||a=='.'){
			a=toupper(a);	
			str.push_back(a);
		}
	}
	
	for(i=0;i<(str.size());i++){
		cout<<str[i];
	}
	puts("");
	return 0;
}

C++: #include<iostream>
#include<string>
using namespace std;
int main(){
  string str;
  getline(cin,str);
  for(int i=0;i<str.length();i++){
    if(str[i] >= 'a' && str[i] <= 'z'){
      str[i] -= 32;
    }
  }
    cout << str << endl;
   
}

C++: #include <fstream>
#include <iostream>
#include <cmath>
#include <vector>
#include <queue>
#include <utility>
#include <algorithm>
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 << endl;
}

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

int main(){
	string s;

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

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

class capitalize {
public:
    capitalize();
    bool Run();

private:
    
    bool Input();
    bool Convert();
    void Show() const;

private:
    std::string m_lower;    // Lower case
    std::string m_upper;    // Upper case
};

capitalize::capitalize() : m_lower(""), m_upper("")
{

}

bool capitalize::Run()
{
    bool status = false;

    status = Input();
    if (!status) {
        return false;
    }
    status = Convert();
    if (!status) {
        return false;
    }
    Show();

    return true;
}

bool capitalize::Input()
{
    std::getline(std::cin, m_lower);
    if (0 == m_lower.size()) {
        return false;
    }
    return true;
}

bool capitalize::Convert()
{
    m_upper.resize(m_lower.size());
    std::transform(m_lower.cbegin(), m_lower.cend(), m_upper.begin(), toupper);

    return true;
}

void capitalize::Show() const
{
    std::cout << m_upper << std::endl;
}

int main()
{
    capitalize test;
    test.Run();
}

C++: #include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<ctime>
#include<cctype>
#include<climits>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<memory>
#include<functional>

#define REP(i, n) for(int i = 0;i < n;i++)
#define REPR(i, n) for(int i = n;i >= 0;i--)
#define FOR(i, m, n) for(int i = m;i < n;i++)
#define FORR(i, m, n) for(int i = m;i >= n;i--)
#define SORT(v, n) sort(v, v+n);
#define VSORT(v) sort(v.begin(), v.end());
#define llong long long
#define pb(a) push_back(a)
#define INF 999999999
using namespace std;

typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<double> vd;
typedef pair<int, int> pii;
typedef pair<long, long> pll;
typedef long long ll;

int dy[] = { 0, 0, 1, -1, 0 };
int dx[] = { 1, -1, 0, 0, 0 };

int main(){
	ios::sync_with_stdio(false);

	string s;
	getline(cin, s);
	
	transform(s.begin(), s.end(), s.begin(), ::toupper);

	cout<<s<<endl;
}

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

using namespace std;

int main(){
	string ch;

	getline(cin, ch)

		for(int i=0; i<s.size(); i++){

		if(isalpha(ch[i]){
			ch[i] = toupper(ch[i]);
		}
	}

	cout << ch << endl;
}

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

int main()
{
    std::string line;
    getline(std::cin, line);

    for (auto i = 0; i < line.size(); i++) {
        if ('a' <= line.at(i) && line.at(i) <= 'z') {
            line.at(i) = toupper(line.at(i));
        }
    }

    std::cout << line << std::endl;

    return 0;
}

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


using namespace std;

int main()
{
	char s[1024];
	fgets(s, 1024, stdin);
	for (int i = 0; s[i] != '\0'; ++i)
		s[i] = toupper(s[i]);
	printf("%s", s);

	return 0;
}

C++: #include<stdio.h>

int main(){
	char c;
	while(1){
		if((c=getchar())==NULL)break;
		if(c>='a'&&c<='z')printf("%c",c+('A'-'a'));
		else printf("%c",c);
	}
}

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

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

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

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

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


using namespace std;

void Solution()
{
    string s;
    
    getline(cin, s); // ensure the last char by "enter"
    
    transform(s.begin(), s.end(), s.begin(), ::toupper);
    
    cout << s << endl;
    
    return;
}

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

C++: #include <cstdio>
//#include <algorithm>
//#include <iostream>
//#include <vector>
//#include <string>
//#include <cmath>
using namespace std;

int main(){
	char n[100];
	gets(n);
	for(int i=0;i<100;i++){
		if((n[i]>='a')&&(n[i]<='z')){
			n[i]=n[i]+'A'-'a';
		}
	}
	printf("%s\n",n);
return 0;
}