#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
#include<map>
using namespace std;
int main() {
	string s;
	while (getline(cin, s)) {
		for (int i = 0;i < s.length();i++) {
			if (s[i] >= 'a' && s[i] <= 'y' ||( s[i] >= 'A' && s[i] <= 'Y')) {
				s[i] = s[i] + 1;
			}
			else if (s[i] == 'Z' || s[i] == 'z') {
				s[i] = s[i] - 25;
			}
		}
		cout << s << endl;
	}
	return 0;
}