public class MyThread1 extends Thread{
		public void run(){
		for(int a=0;a<50;a++)	{
			yield();
		System.out.println(Thread.currentThread().getName()+" "+a);
		}
	           }
	public static void main(String args[]){
	MyThread1 t1=new MyThread1();
	MyThread1 t2=new MyThread1();	
	t1.start();
	t2.start();
		}
	}