abstract class A
{ abstract public void show();
public void
test(){System.out.println("A");}
}
abstract class B extends A
{
public void display(){show();}
}
class C extends B
{
public void show(){System.out.println("C");}
}
class Test
{
public static void main(
String S[])
{
B ob=new C();
ob.display();
}
}