public static void main(String[] args) {
	if(args.length < 1) {
	    usage();
	    System.exit(1);
	}
	int num = Integer.parseInt(args[0]);
	int delay = 0;
	if(args.length > 1)
	    delay = Integer.parseInt(args[1]);
	new MultiClient(num, delay).start();
    }