#include <iostream>
using namespace std;

char f(char c) {
    if (c >= 'a' && c <= 'z') {
        c -= 32;
    }
    return c;
}


int main() {
    string s;
    getline(cin, s);
    s[0] = f(s[0]);
    int x = s.find(" ");
    while(x != -1) {
        x++;
        s[x] = f(s[x]);
        x = s.find(" ", x);
    }
    cout << s;
}