private static void fourthStrategy()
	{
		Semaphore MReading = new Semaphore(1);
		Semaphore MWriting = new Semaphore(1);
		Semaphore MPrio = new Semaphore(1);
		Semaphore MPrioW = new Semaphore(1);
		Semaphore MPrioR = new Semaphore(1);
		int RCounter = 0;
		int WCounter = 0;
		Random r = new Random();
		
		while(true) 
		{
			if(r.nextDouble() > 0.5)
				new Lecteur3(MReading,MWriting,MPrio,MPrioR, RCounter).run();
			else
				new Redacteur3(MWriting,MReading, MPrioW, WCounter).run();
		}
	}