#include <stdio.h>
#include "swapper.h"

int main(int argc, char **argv)
{
    if (3 != argc)
        return 1;

    if (swapper_length_difference(argv[1], argv[2]))
        return 2;

    swapper_swap(argv[1], argv[2]);

    printf("%s\n%s\n", argv[1], argv[2]);

    return 0;
}