package watki;


class Thread03 implements Runnable  {
     int liczba = 2;

     Object o = new Object();

     public void run( ) {
       while (true) {

           synchronized (o) {
                liczba++;
                liczba--;
           }


        if (Thread.currentThread().isInterrupted())
          return;
        }
     }

     public int getLiczba() {

         synchronized (o) {
             return liczba;
        }

    }

}

public class Main {

    public static void main(String[] args) throws InterruptedException {

        Thread03 r = new Thread03();
        Thread t = new Thread(r);
        t.start();
        for (int i = 0; i < 1000000; i++) {
            int l = r.getLiczba();
            if (l % 2 != 0)
                System.out.println(l);
        }
        t.interrupt();

     }




}