public void run() {
        Thread.currentThread().setPriority(priority);
        while (true) {
            for (int i = 1; i < 100000; i++) {
                d += (Math.PI + Math.E) / (double)i;
                if (i % 1000 == 0)
                    Thread.yield();
            }
            System.out.println(this);
            if (--countDown == 0) return;
        }
    }