abstract class Abstractsuper{
   
	public void a(){
		System.out.println("Mathod a() of super");
		}
	public abstract void b();
	}
class Abstractsub extends Abstractsuper{
	
	public void  b(){
		System.out.println("Mathod b() of super");
		}
	public void c(){
		System.out.println("Mathod c() of subbie ");
		}

	}
public class Instanceofabstract{
	public static void main(String[] args){
		Abstractsuper aninstance =new Abstractsub();
		Abstractsub another=new Abstractsub();
		aninstance.a();
		aninstance.b();
		another.c();
	   }
	}