#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>

int main(int argc, char* argv[]) {
    int fdout = open(argv[1], O_WRONLY | O_CREAT | O_TRUNC, 0600);
    if (fdout == -1) {
        return 1;
    }

    unsigned short x;

    while (scanf("%hu", &x) == 1) {
        unsigned char buf[2];
        buf[0] = x >> 8;
        buf[1] = x & 0xff;
        write(fdout, &x, 2);
    }
    
    close(fdout);
    
    return 0;
}