#include<bits/stdc++.h>
using namespace std;
int main() {
    string ciphertext;
    getline(cin,ciphertext);
    for (char &c:ciphertext) {
        if (isupper(c)) {
            c = ((c-'A'-5+26)%26)+'A';
        }
    }
    cout<<ciphertext<<endl;
    return 0;
}