using System;

​

public class Car

{

    public void Move()

    {

        Console.WriteLine("Зараз машина їде");

    }

​

    public void Stop()

    {

        Console.WriteLine("Зараз машина стоїть");

    }

}

​

public class Truck : Car

{

    public void CarryCargo()

    {

        Console.WriteLine("Вантажівка везе вантаж");

    }

}

​

public class FireTruck : Car

{

    public void QuenchTheFire()

    {

        Console.WriteLine("Пожежна машина гасить пожежу");

    }

}

​

public class Program

{

    public static void Main()

    {

        Car car = new Car();

        car.Move();

        car.Stop();

​

        Truck truck = new Truck();

        truck.Move();

        truck.Stop();

        truck.CarryCargo();

​

        FireTruck fireTruck = new FireTruck();

        fireTruck.Move();

        fireTruck.Stop();

        fireTruck.QuenchTheFire();

    }

}

​