#include <iostream>
#include <string>
#include <cstdio>
using namespace std;

int main()
{
	string sbegin,send;
	char letter[300];
	int len;
	
	while(cin >> sbegin && sbegin != "ENDOFINPUT")
	{
		gets(letter);
		len = strlen(letter);
		for(int i=0; i<len; ++i)
		{
			if(letter[i] <= 90 && letter[i] >= 65)
			{
				letter[i] -= 5;
				if(letter[i] < 65)
			{
				letter[i] += 26; 
			}
			}
		}
		cin >> send;
		cout << letter << endl;
	}
	
	return 0;
}