using System;

​

public class Program

{

    public static void Main()

    {

        Menu menu1 = new Soup();

        menu1 = new Smoothie1(menu1);

        menu1 = new Juice1(menu1);

        menu1 = new Porridge1(menu1);

        Console.WriteLine("Меню: {0}", menu1.Name);

        Console.WriteLine("Цена: {0}", menu1.GetCost());

    }

}

abstract class Menu

{

    public Menu(string name)

    {

        this.Name = name;

    }

    public string Name { get; set; }

    public abstract int GetCost();

}

class Soup : Menu

{

    public Soup() : base("Суп")

    {}

    public override int GetCost()

    {

        return 35;

    }

}

class Smoothie : Menu

{

    public Smoothie() : base("Пюре")

    {}

    public override int GetCost()

    {

        return 42;

    }

}

class Juice : Menu

{

    public Juice() : base("Сок")

    { }

    public override int GetCost()

    {

        return 26;

    }

}

class Porridge : Menu

{

    public Porridge() : base("Каша")

    { }

    public override int GetCost()

    {

        return 48;

    }

}

abstract class Decorator : Menu

{

    protected Menu menu;

    public Decorator(string name, Menu menu) : base(name)

    {

        this.menu = menu;

    }

}

class Soup1 : Decorator

{

    public Soup1(Menu m) : base (m.Name + ", Суп", m)

    { }

    public override int GetCost()

    {

        return menu.GetCost() + 35;

    }

}

class Smoothie1 : Decorator

{

    public Smoothie1(Menu m) : base(m.Name + ", Пюре", m)

    { }

    public override int GetCost()

    {

        return menu.GetCost() + 42;

    }

}

class Juice1 : Decorator

{

    public Juice1(Menu m) : base(m.Name + ", Сок", m)

    { }

    public override int GetCost()

    {

        return menu.GetCost() + 26;

    }

}

class Porridge1 : Decorator

{

    public Porridge1(Menu m) : base(m.Name + ", Каша", m)

    { }

    public override int GetCost()

    {

        return menu.GetCost() + 48;

    }

}

​