#include<iostream>
#include<string>

using namespace std;

int main(){
    char a;

    while(cin.get(a)){
        if(a >= 'a' && a < 'z' || a >= 'A' && a < 'Z')cout << char(a+1);
        else if (a == 'z' || a== 'Z')cout << char(a-25);
        else cout << a;
        if(a == '\n')break;
    }

    return 0;
}