class A extends Thread
{
    public void run()
    {
        String n=Thread.currentThread().getName();
        try
        {
            for(int i=1;i<+5;i++)
            {
                System.out.println(n);
                Thread.sleep(2000);
            }
        }
        catch(Exception a)
            {
                
            }
}
}

class F
{
    public static void main(String[] args)
    {
        A r= new A();
        A t= new A();
        A y= new A();

        r.setName("Thread 1");
        t.setName("Thread 9");
        y.setName("Thread 10");

        r.start();
        t.start();
        y.start();
    }
}