import java.io.*;
import java.util.*;
import java.math.*;

class Main18 {
	
	public static String solve (String code) {
		String ret = "";
		char[] alp = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
		for (int i = 0; i < alp.length / 2; i++) {
			char tmp = alp[i];
			alp[i] = alp[alp.length - i - 1];
			alp[alp.length - i - 1] = tmp;
		}
		for (int i = 0; i < code.length(); i++) {
			char c = code.charAt(i);
			for (int j = 0; j < alp.length; j++) {
				if (c != alp[j]) continue;
				ret += "" + alp[(i + j + 1) % alp.length];
				break;
			}
		}
		return ret;
	}
	
	public static void main (String[] args) throws IOException {
		BufferedReader br = 
			new BufferedReader(new InputStreamReader(System.in));
		
		String line = br.readLine();
		
		System.out.println(solve(line));
	}
}