99 100 100 100 100
 57 83 11 4 93
 99 99 99 99 99
 100 0 0 0 0
 0 1 2 3 4
 93 100 99 90 98
 87 38 19 33 100
 1 1 1 1 1
 0 0 0 0 1
 2 3 4 5 6
 1 2 1 2 3
 0 0 0 0 0
 100 100 100 100 100
 43 83 1 0 23
 43 83 1 100 23
 56 0 0 0 4
 99 98 98 99 100

-1
 -1
 99
 20
 2
 96
 -1
 1
 -1
 4
 -1
 -1
 100
 30
 50
 12
 -1

#include <bits/stdc++.h>
using namespace std;
char keyboard[3][100] = {"qwertyuiop", "asdfghjkl;", "zxcvbnm,./"};
int pos[256];
char key[256];
int main() {
  char dir;
  char input[101];
  char output[101];
  cin >> dir;
  int shift = (dir == 'R' ? -1 : 1);
  int cnt = 0;
  for (int i = 0; i < 3; ++i) {
    for (int j = 0; j < strlen(keyboard[i]); ++j) {
      pos[keyboard[i][j]] = cnt;
      key[cnt++] = keyboard[i][j];
    }
  }
  cin >> input;
  for (int i = 0; i < strlen(input); ++i) {
    cout << key[pos[input[i]] + shift];
  }
  cout << endl;
}
