//字符串、模拟
import java.io.*;

public class Main{
    static BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

    static String start,end;
    static char[] line;
    public static void main(String[] args) throws IOException{
        while(true) {
            start = in.readLine();
            if(start.equals("ENDOFINPUT")) {//程序结束
                return;
            }
            line = in.readLine().toCharArray();
            end = in.readLine();
            for(int i = 0; i < line.length; i ++) {
                if(line[i] >= 65 && line[i] <= 90) {
                    line[i] = (char)((line[i] - 95) % 26 + 90); 
                }
            }
            System.out.println(new String(line));
        }
    }
}