#include <iostream>
#include <map>

using namespace std;

int main()
{
    string keyboard = "qwertyuiopasdfghjkl;zxcvbnm,./";
    string strochka = "t";
    string kosara = "g";
    // keyboard[keyboard.find("w")] - Выводит ID
    // cout << keyboard[keyboard.find("s") - 1];
    cin >> kosara;
    cin >> strochka;

    if (kosara == "R"){
    for(string::size_type i = 0; i < strochka.size(); ++i) {
        cout << keyboard[keyboard.find(strochka[i]) - 1];
    }
    }
    else{
        for(string::size_type i = 0; i < strochka.size(); ++i) {
        cout << keyboard[keyboard.find(strochka[i]) + 1];
    }
    }
}