#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll a,b,c,d,e;
int q,p,i;
char x;
string s;
double w;
int main(){
	cin>>s;
	for(i=0;i<s.size();i++){
		if(s[i]>='a'&&s[i]<='z'){
			s[i]-=32;
		}
		cout<<s;
		return 0;
	}
}