// https://events.static.linuxfound.org/sites/events/files/slides/AFL%20filesystem%20fuzzing%2C%20Vault%202016_0.pdf
// while true; do ./lottery < /dev/urandom && break ; done

#include <stdio.h>
#include <stdlib.h>

int main()
{
    if (getchar() != 'B' || getchar() != 'K' || getchar() != 's' ||
        getchar() != 'p' || getchar() != 'l' || getchar() != 'i' ||
        getchar() != 'c' || getchar() != 'e' || getchar() != '\n')
        {
            return 1;
        }
    abort();
}