#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstdio>
#include <string>

using namespace std;

int main() {
	string str;
	while (getline(cin, str)) {
		for (int i = 0; i < str.size(); ++i) {
			if (str[i] == 'z' || str[i] == 'Z') {
				str[i] -= 25;
			}
			else if (('A' <= str[i] && str[i] <= 'Y') || ('a' <= str[i] && str[i] <= 'y')) {
				str[i]++;
			}
		}
		cout << str << endl;
		system("pause");
		return EXIT_SUCCESS;
	}
}
// 64 位输出请用 printf("%lld")