using System;

namespace homework

{

    public class Cars

    {

        public static void Main(string[] args)

        {

            Console.WriteLine("Opel is normal car:");

​

            var opel = new Car();

            opel.Move();

            opel.Stop();

            Console.WriteLine();

            Console.WriteLine("Opel is passanger car:");

            var mercedestruck = new Car();       

            mercedestruck.Move();

            mercedestruck.Stop();

            mercedestruck.CarryCargo();

        }

    }

​

    public class Car

    {

        public void Move()

        {

            Console.WriteLine("This car is Drive");

        }

​

        public void Stop()

        {

            Console.WriteLine("This car was stopped");

        }

    }

    public class mersedestruck : Car

    {

        public void CarryCargo()

        {

            Console.WriteLine("This car Carry cargo");

        }

    }

}

​