#include <iostream>
#include <string>
int main(int argc, const char * argv[])
{
    using namespace std;
    string word;
    int i;
    while (cin >> word) {
        for (i = 0; i < word.size(); i++) {
            if (isalpha(word[i])) {
                word[i] -= 4;
            }
        }
        cout << word;
        cout << " ";
    }
    cout << "\n";
    return 0;
}