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

string key[3] = {"qwertyuiop","asdfghjkl;","zxcvbnm,./"};

string s;
char d;

char f(char c){
	for(int i = 0; i <= 2; i++){
		size_t p = key[i].find(c);
		if(p != string::npos)
			return key[i][d == 'L' ? p+1 : p-1];
	}
	return '\0';
}

int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	
	cin >> s >> d;
	
	for(auto& c : s)
		cout << f(c);
	
	return 0;
}