using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Counter counter = new Counter(5, 0, 10); 

        counter++;

        Console.WriteLine(counter.Value);

    }

    class Counter

    {       

        int val;

        public int Value 

        { 

            get { return val; } 

            set { val = value; InRange(); } 

        }

        private int min { get; set;}

        private int max { get; set;}

        public Counter(int _val, int _min, int _max)

        {

            min = _min;

            max = _max;

            Value = _val;

        }

        public Counter(int _min, int _max)

        {

            min = _min;

            max = _max;

            Value = new Random().Next(min, max + 1);

        }

        public static Counter operator ++(Counter c)

        {

            c.Value++;

            return c;

        }

        public static Counter operator --(Counter c)

        {

            c.Value--;

            return c;

        }

        void InRange()

        {

            if (val > max || val < min)

            throw new ArgumentOutOfRangeException("Значение не в заявленном диапазоне.");

        }

    }

}