#include <stdio.h>

long absdiff(long x, long y) {
    long result;
    if (x < y) {
        result = y - x;
    } else {
        result = x - y;
    }

    return result;
}

int main(int argc, char *argv[]) {
    printf("absdiff(5, 4) = %ld\n", absdiff(5, 4));
    printf("absdiff(4, 5) = %ld\n", absdiff(4, 5));
    return 0;
}