#include <stdio.h>
#include <sys/syscall.h>
#include <unistd.h>

int main()
{
    sleep(1);

    syscall(SYS_paint, 0, 0, 400, 300, 0x000000FF);

    sleep(1);

    printf("Hello, colorful world!\n");

    sleep(1);

    printf("Press any key to restart.");
}