#include <iostream>

using namespace std;

int main() {
    string s;

    while (getline(cin, s)) {
        for (int i = 0; i < s.size(); i++) {
            if (s[i] >= 'a' && s[i] <= 'z') {
                s[i] = s[i] - ' ';
            }
        }

        cout << s << endl;
    }

    return 0;
}