using System;

​

namespace FAN

{

    class Fan

    {

        static int SLOW = 1, MEDIUM = 2, FAST = 3;

        private int speed = SLOW;

        private bool on = false;

        private double radius = 5;

        private string color = "Red";

​

        public int Speed

        {

            get

            {

                if (1<=speed && speed<=3)

                {

                    return speed;

                }

                else

                {

                    this.on = false;

                    return 0;

                }

            }

            set

            {

                if (1 <= value && value <= 3)

                {

                    speed =value;

                }

            }

        }

        public bool On

        {

            get

            {

                if (on == true)

                    return true;

                else

                    return false;

            }

            set

            {

                on = value;

            }

        }

​

        public void print()

        {

            Console.WriteLine("{0} {1} {2} {3}", speed,on, radius, color);

        }

    }

}

​

namespace FAN

{

 public class Program

    {

         public static void Main()

        {

            Fan f1 = new Fan();

            f1.print();

            f1.Speed = 2;

            f1.On = false;

            f1.print();

            f1.Speed = 4;

            f1.On = true;

            f1.print();

            Fan f2 = new Fan();

            f2.print();

            f2.Speed = 0;

            f2.print();

            f2.Speed = 3;

            f2.print();

        }

    }

}

​