using System;

​

class Passenger

{

    public virtual void Greetings()

    {

        Console.WriteLine("Welcome to Malaysia!");

    }

}

​

class Malaysian : Passenger

{

    public override void Greetings()

    {

        Console.WriteLine("Welcome home, Malaysian!");

    }

}

​

public class Program

{

    public static void Main()

    {

        Passenger p = new Passenger();

        p.Greetings();

        Passenger m = new Malaysian();

        m.Greetings();

    }

}