using System;

public class Program

{

    public static void Main()

    {

        Car myCar = new Car();

        Console.Write("Въведете марка:");

        myCar.Brand = Console.ReadLine();

        Console.Write("Въведете модел:");

        myCar.Model = Console.ReadLine();

        Console.Write("Въведете обем на двигателя:");

        myCar.EngineVolume = int.Parse(Console.ReadLine());

        Console.Write("Въведете година на производство:");

        myCar.YearProd = int.Parse(Console.ReadLine());

        myCar.Annualtax(myCar.annualTax, myCar);

    }

    public class Car

    {

        private string brand;

        private string model;

        private int engineVolume;

        private int yearProd;

        public double annualTax;

        public string Brand

        {

            set

            {this.brand= value;}

            get

            {return this.brand;}

        }

        public string Model

        {

            set

            {this.model= value;}

            get

            {return this.model;}

        }

        public int EngineVolume

        {

            set

            {

                this.engineVolume= value;

                if (value<=0)

                {

                    Console.Write("Некоректни данни");}

            }

            get

            {return this.engineVolume;}

        }

        public int YearProd

        {

            set

            {

                this.yearProd= value;

                if (value<=0)

                {

                    Console.Write("Некоректни данни");}

            }

            get

            {return this.yearProd;}

        }

        public void Annualtax(double annualTax, Car myCar)

        {

            annualTax = 0.2 * myCar.EngineVolume;

            if(myCar.YearProd <= 2000) annualTax += 70.00;

            else if (myCar.YearProd<= 2010) annualTax += 60.00;

            else annualTax += 50.00;

            Console.WriteLine("Годишният данък е: " + annualTax);

        }

​

    }

}