public static void main(String[] args) {
	int nHorses = 7;
	int pause = 200;
	if (args.length > 0) { // Optional argument
	    int n = new Integer(args[0]);
	    nHorses = n > 0 ? n : nHorses;
	}
	if (args.length > 1) { // Optional argument
	    int p = new Integer(args[1]);
	    pause = p > -1 ? p : pause;
	}
	new HorseRace(nHorses, pause);
    }