#include <stdio.h>  // stdout, putc()
 
#define EXIT_PASS (0)
#define PutC(c) (putc((c), stdout))

int main(void)
{
    PutC('H');
    PutC('e');
    PutC('l');
    PutC('l');
    PutC('o');
    PutC(' ');
    PutC('W');
    PutC('o');
    PutC('r');
    PutC('l');
    PutC('d');
    PutC('!');
    PutC('\n');

	 return EXIT_PASS;
}