using System;

​

​

public class Parent

{

    public virtual void show(){

        Console.WriteLine("Parent called");

    }

}

public class Child : Parent

{

    public override void show()

    {

        Console.WriteLine("Child called");

    }

}

public class Program

{

    public static void Main()

    {

        Parent p=new Parent();

        Parent pc=new Child();

        p.show();

        pc.show();

    }

}