#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>

int
main(int argc, char* argv[])
{
    while (1)
    {
        unsigned char s[CHAR_BIT];
        memset(s, 0, sizeof(s));

        int it = 0;
        while (it < CHAR_BIT) {
            unsigned char curr;
            if (scanf("%hhx", &curr) == 1) {
                for (int i = 0; i < CHAR_BIT; ++i) {
                    s[i] = curr & (1 << i) ? s[i] | (1 << it) : s[i];
                }
            } else {
                return 0;
            }
            ++it;
        }

        for (int i = 0; i < CHAR_BIT; ++i) {
            printf("%hhx ", s[i]);
        }
        printf("\n");
    }
    return 0;
}