using System;

    class Point
    {
        ////constructor
        //public Point(int xCoord, int yCoord)
        //{
        //    this.X = xCoord;
        //    this.Y = yCoord;
        //}
        //fields
        private int xCoord;
        private int yCoord;

        //property
        public int X
        {
            get
            {
                return this.xCoord;
            }
            set
            {
                this.xCoord = value;
                if ((xCoord < 0) || (xCoord > 100))
                {
                    throw new ArgumentOutOfRangeException("The value must be in the range [0..100]");
                }
            }
        }
        public int Y
        {
            get
            {
                return this.yCoord;
            }
            set
            {
                this.yCoord = value;
                if ((yCoord < 0) || (yCoord > 100))
                {
                    throw new ArgumentOutOfRangeException("The value must be in the range [0..100]");
                }
            }
        }
    }
    class Program
    {
        public static void Main()
        {
            Point p1 = new Point();
            p1.X = 1000;
            p1.Y = -1000;

            Console.WriteLine(p1.X);
            Console.WriteLine(p1.Y);
        }
    }