#include<bits/stdc++.h>
using namespace std;
int main(){
	string s;
	getline(cin,s);
	for(int i=0;i<s.size();i++){
		if(s[i]>='A'&&s[i]<='Z'||s[i]>='a'&&s[i]<='z'&&(s[i-1]==' '||i==0)){
			if(s[i]>='A'&&s[i]<='Z'){
				cout<<s[i];
			}else{
				cout<<char(s[i]-32);
			}
		}
	}
	return 0;
}

/**************************************************************
	Problem: 1100
	User: zzz
	Language: C++
	Result: Accepted
	Time:24 ms
	Memory:2076 kb
****************************************************************/