using System;

public class Program

{

    public static void Main()

    {

        Rectangle r = new Rectangle();

        r.Acceptdetails();

        r.Display();

    }

    public class Rectangle

    {

        //private member variables

        private double _length;

        private double _width;

        // method is accessible to the public

        public void Acceptdetails()

        {

            _length = 55;

            _width = 66;

        }

        // method is hidden, and can only be used in the class context

        private double GetArea()

        {

            return _length * _width;

        }

        // method is accessible to the public

        public void Display()

        {

            Console.WriteLine("Length: {0}", _length);

            Console.WriteLine("Width: {0}", _width);

            Console.WriteLine("Area: {0}", GetArea());

        }

    } 

}