// write your code here cpp
#include<iostream>
#include<string>
using namespace std;

int main() {
    string str;
    while (getline(cin, str)) {
        for (int i = 0; i < str.size(); i++) {
            if (str[i] >= 'F' && str[i] <= 'Z') {
                str[i] -= 5;
            }
            else if (str[i] >= 'A' && str[i] < 'F') {
                str[i] += 21;
            }
        }
        for (int i = 0; i < str.size(); i++) {
            cout << str[i];
        }
        cout << endl;
    }
    return 0;
}