#include <iostream>

using namespace std;

int main(){
	string s;
	
	while(getline(cin,s)){
		if(s[0] >= 'a' && s[0] <= 'z')s[0] -= 32;
		
		for(int i = 1;i < s.size();i ++){
			if(s[i] == ' ' || s[i] == '\t' || s[i] == '\n' || s[i] == '\r'){
				if(s[i + 1] >= 'a' && s[i + 1] <= 'z')s[i + 1] -= 32;
			}
		}
		
		cout << s << endl;
	}
	return 0;
}