#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]!=' ') 
			if(s[i-1]==' '||i==0) 
				if(s[i]>='a'&&s[i]<='z') cout<<char(s[i]-32);
					else cout<<s[i];
	}
return 0;}

/**************************************************************
	Problem: 1100
	User: fzy001
	Language: C++
	Result: Accepted
	Time:22 ms
	Memory:2076 kb
****************************************************************/