public static void main(String[] args) {
		for (int i = 0; i < N; i++)
			fork[i] = new Semaphore(1);
		for (int i = 0; i < N; i++) {
			p[i] = new Philsoper3(i, fork[i], fork[(i + 1) % N]);
			p[i].start();
		}
	}