/************************
 **  Solution by daun  **
 ***********************/

#include <bits/stdc++.h>

using namespace std;

const int N = 200005;
const int INF = 4127;
const int mod = 475;
string a1 = "qwertyuiop", a2 = "asdfghjkl;", a3 = "zxcvbnm,./";

int main() {
    string n, s;
    cin >> n >> s;
    if (n[0] == 'R') {
        for (int i = 0; i < s.size(); i++) {
            if (a1.find(s[i]) != string::npos) {
                cout << a1[a1.find(s[i]) - 1];
                continue;
            }
            if (a2.find(s[i]) != string::npos) {
                cout << a2[a2.find(s[i]) - 1];
                continue;
            }
            if (a3.find(s[i]) != string::npos) {
                cout << a3[a3.find(s[i]) - 1];
            }
        }
    } else {
        for (int i = 0; i < s.size(); i++) {
            if (a1.find(s[i]) != string::npos) {
                cout << a1[a1.find(s[i]) + 1];
                continue;
            }
            if (a2.find(s[i]) != string::npos) {
                cout << a2[a2.find(s[i]) + 1];
                continue;
            }
            if (a3.find(s[i]) != string::npos) {
                cout << a3[a3.find(s[i]) + 1];
            }
        }
    }
}