// Program "Hello world!"
#include <stdio.h>
#define texto " Hello World! "

int i;

main (void)
{
	textcolor (9);
	textbackground (1);
	clrscr();
	for (i=69; i>0; i--)
	    {
	    gotoxy (i,10);
	    printf("%s",texto);
	    sound (i*6);
	    delay (10);
	    }
	nosound ();
	getch ();
	return 0;
}