class Counter {
      public static long count = 0;
}

@ThreadSafe class UseCounter implements Runnable {    
    public static void increment() {
        Counter.count++;
        System.out.print(Counter.count + " ");
    }    
    public void run() {
        increment();
        increment();
        increment();
    }    
}


public class dataRaces {
    public static void main(String[] args) {
        UseCounter c = new UseCounter();
        Thread t1 = new Thread(c);
        Thread t2 = new Thread(c);
        Thread t3 = new Thread(c);
        t1.start();
        t2.start();
        t3.start();
    }
}