using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace LR4 {     

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

    abstract class Hotel

    {

        private String Name;

        int UnavailableCount;

        public int GeneralCount;

        double PriceAtNight;

        String Address;

        public abstract void PrintMotto();

​

​

        private static int countOfCreatedObjects { get; set; } = 0;

​

        public string Name_ { get => Name; set => Name = value; }

        public int GeneralCount_ { get => GeneralCount; set => GeneralCount = value; }

        public int UnavailableCount_ { get => UnavailableCount; set => UnavailableCount = value; }

        public double PriceAtNight_ { get => PriceAtNight; set => PriceAtNight = value; }

        public string Address_ { get => Address; set => Address = value; }

        public int StaticField => countOfCreatedObjects;

​

        // Конструктор с 1 параметром

        public Hotel(String name)

        {

            this.Name = name;

            ++countOfCreatedObjects;

        }

​

        // Конструктор с 2 параметрами

        public Hotel(String name, String address)

        {

            this.Name = name;

            this.Address_ = address;

            ++countOfCreatedObjects;

        }

​

        // Конструктор с 7 параметрами

        public Hotel(String name, String address, int genCount, int unavCount, double price)

        {

            this.Name = name;

            this.Address = address;

            this.UnavailableCount = unavCount;

            this.GeneralCount = genCount;

            this.PriceAtNight = price;

            ++countOfCreatedObjects;

        }

​

        // Перегружаем вывод Console.WriteLine();

        public override string ToString()

        {

            return "Название отеля - " + Name_ + "\n" +

                "Адрес отеля - " + Address_ + "\n" +

                "Общее количество номеров - " + GeneralCount_ + "\n" +

                "Занято номеров - " + UnavailableCount_ + "\n" +

                "Цена за ночь - " + PriceAtNight_ + "$\n";

        }

    }

    class LuxaryHotel : Hotel

    {

        double PriceAtVipNight;

        int AvailableVipCount;

​

        public double PriceAtVipNight_ { get => PriceAtVipNight; set => PriceAtVipNight = value; }

        public int AvailableVipCount_ { get => AvailableVipCount; set => AvailableVipCount = value; }

​

        public LuxaryHotel(String name, String address, int genCount, int unavCount, double price, double priceAtVipNight, int availableVipCount)

            : base(name, address, genCount, unavCount, price)

        {

            this.PriceAtVipNight = priceAtVipNight;

            this.AvailableVipCount = availableVipCount;

        }

​

​

        public override void PrintMotto()

        {

            Console.WriteLine("Лучшие и несправедливо дорогие");

        }

    }

    class PoorHotel : Hotel

    {

        int CockroachesCount;

​

        public int CockroachesCount_ { get => CockroachesCount; set => CockroachesCount = value; }

​

        public PoorHotel(String name, String address, int genCount, int unavCount, double price, int cockroachesCount)

            : base(name, address, genCount, unavCount, price)

        {

            this.CockroachesCount = cockroachesCount;

        }

​

        public override void PrintMotto()

        {

            Console.WriteLine("C милым рай в шалаше");

        }

    }

}