class A extends Thread
{
    public void run()
    {
        System.out.println("is alive moment ");
    }
}
class F 
{
    public static void main(String[] args)
    {
        A r= new A();
        A p= new A();

        r.start();
        System.out.println(r.isAlive());
        p.start();
        System.out.println(p.isAlive());
    }
}