#include<bits/stdc++.h>
using namespace std;
int n,m;
string s;
int main(){
	getline(cin,s);
	s=' '+s;
	for(int i=0;i<s.size();i++){
		if(s[i-1]==' '&&s[i]!=' '){
			if(s[i]>='a'){
				cout<<char(s[i]-('a'-'A'));
			}else{
				cout<<s[i];
			}
		}
	}
}
/**************************************************************
	Problem: 1100
	User: zhengzihao
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2076 kb
****************************************************************/