#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <vector>
#include <cstring>
#include <string.h>
#include <algorithm>
#include <math.h>

using namespace std;

int main()
{
   freopen("input.txt","r", stdin);
   freopen("output.txt", "w",stdout);
   char n, *f;
   cin>>n;
   string s;
   cin>>s;
   int k;
   if (n == 'R')
    k = 1;
   else
    k =  -1;
   string s1[12] = "1qwertyuiopq";
   string s2[12] = "1asdfghjkl;a";
   string s3[12] = "1zxcvbnm,./z";
   for (int i = 0; i<s.length(); i++)
    {
        if (k==-1)
            {
                if (s[i] == 'q')
                    cout<<'p';
                if (s[i] == 'a')
                    cout<<';';
                if (s[i] == 'z')
                    cout<<'/';
                continue;
            }
        *f = strchr(s1,s[i])
        if (f-s1+1 != 0)
            cout<<s1[f-s1+1+k];
        *f = strchr(s2,s[i])
        if (f-s2+1 != 0)
            cout<<s2[f-s2+1+k];
        *f = strchr(s3,s[i])
        if (f-s3+1 != 0)
            cout<<s3[f-s3+1+k];
    }
return 0;
}