#include <bits/stdc++.h>
#define your using
#define mom namespace std;

your mom;
int main()
{
string s="qwertyuiopasdfghjkl;zxcvbnm,./";
char never_gonna_give_you_up;
cin >> never_gonna_give_you_up;
string penaldo;
cin >> penaldo;
if(never_gonna_give_you_up=='R')
{
  for(int i=0;i<penaldo.size();i++)
  {
    for(int j=0;j<s.size();j++)
    {
      if(s[j]==penaldo[i])
      {
        penaldo[i]=s[j-1];
      }
    }
  }
}
if(never_gonna_give_you_up=='L')
{
  for(int i=0;i<penaldo.size();i++)
  {
    for(int j=0;j<s.size();j++)
    {
      if(s[j]==penaldo[i])
      {
        penaldo[i]=s[j+1];
      }
    }
  }
}
cout << penaldo;

      return 0;
}