using System;

public class Program

{

    public static void Main()

    {

        Work work = new Work(new ConvectionFunctions());

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new UpperHeatingFunctions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new GrillFunctions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new UpperAndLowerFunctions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Temp1Functions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Temp2Functions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Temp3Functions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Temp4Functions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Temp5Functions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Temp6Functions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Ventilation1Functions();

        work.Executecooking();

        Console.WriteLine();

        work.WorkFunctions = new Ventilation1Functions();

        work.Executecooking();

    }

}

public interface functions

{

    void cooking();

}

class ConvectionFunctions : functions

{

    public void cooking()

    {

        Console.WriteLine("Режим коонвекция включен");

    }

}

class UpperHeatingFunctions : functions

{

    public void cooking()

    {

        Console.WriteLine("Режим верхнего нагрева включен");

    }

}

class LowerHeatingFunctions : functions

{

    public void cooking()

    {

        Console.WriteLine("Режим нижнего нагрева включен");

    }

}

class GrillFunctions : functions

{

    public void cooking()

    {

        Console.WriteLine("Режим гриля включен");

    }

}

class UpperAndLowerFunctions : functions

{

    public void cooking()

    {

        Console.WriteLine("Режим верхнего и нижнего нагрева плюсконвекция включен");

    }

}

class Temp1Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Нагрев = 50 градусов");

    }

}

class Temp2Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Нагрев = 60 градусов");

    }

}

class Temp3Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Нагрев = 70 градусов");

    }

}

class Temp4Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Нагрев = 80 градусов");

    }

}

class Temp5Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Нагрев = 90 градусов");

    }

}

class Temp6Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Нагрев = 100 градусов");

    }

}

class Ventilation1Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Режим вентиляции включен");

    }

}

class Ventilation2Functions : functions

{

    public void cooking()

    {

        Console.WriteLine("Режим вентиляции выключен");

    }

}

public class Work

{

    public functions WorkFunctions { get; set; }

    public Work (functions n)

    {

        WorkFunctions = n;

    }

    public void Executecooking()

    {

        WorkFunctions.cooking();

    }

}