import java.util.*;
import java.math.*;
 
class Main
{
    public static void main (String[] args)
    {
        Scanner in = new Scanner(System.in);
        in.useDelimiter(""); //Чтение по одному символу.
        char a;
        char b = in.next().charAt(0);
        System.out.print(b);
        System.out.print(' ');
        while(in.hasNext()){
            a = in.next().charAt(0);
            System.out.printf("%x ", a^b);
            b=a;
        }
    }
}