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

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