#include <iostream>
#include <string>
using namespace std;

int main() {
    string str;
    while (getline(cin, str)) {
        for (int i = 0; i < str.size(); ++i) {
            if ('z' == str[i] || 'Z' == str[i]) {
                str[i] -= 25;
            }else if (('a' <= str[i] && str[i] <= 'y') || ('A' <= str[i] && str[i] <= 'Y')) {
                str[i]++;
            }
        }
        cout << str << endl;
    }
  return 0;
}