#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
    string s, s1;
    s = "qwertyuiopasdfghjkl;zxcvbnm,./";
    char c;
    cin >> c;
    if(c == 'R')
    {
        cin >> s1;
        for(int i = 0; i < s.size(); i++)
        {
            char c1 = s1[i];
            int k = s.find(c1);
            s1[i] = s[k -1];
        }
        cout << s1;
        return 0;
    }
    if(c == 'L')
    {
                cin >> s1;
        for(int i = 0; i < s.size(); i++)
        {
            char c1 = s1[i];
            int k = s.find(c1);
            s1[i] = s[k +1];
        }
        cout << s1;
        return 0;

    }
}