class Called {
	void calling(String msg) {
		System.out.print("<" + msg);
		try {
			Thread.sleep(2000);
		} catch (InterruptedException e) {
			System.out.println("Interrupted "+e);
		}
		System.out.print(">");
	}
}

class Caller implements Runnable {
	String msg;
	Called target;
	Thread t;

	public Caller(Called targ, String s) {
		target = targ;
		msg = s;
		t = new Thread(this);
		t.start();
	}

	public void run() {
		synchronized (target) { 
			target.calling(msg);
		}
	}
}

class SynchBlock {
	public static void main(String args[]) {
		Called target = new Called();
		Caller ob1 = new Caller(target, "First");
		Caller ob2 = new Caller(target, "Second");
		Caller ob3 = new Caller(target, "Third");

		try {
			ob1.t.join();
			ob2.t.join();
			ob3.t.join();
		} catch (InterruptedException e) {
			System.out.println("Interrupted "+e);
		}
	}
}