using System;

​

public class Square{

    private double height;

    private double width;

    public void Add()

    {

        Console.WriteLine(height*width);

    }

    public double Height

    {

        get

        {

        return height;

        }

        set{

            height = value;

        }

    }

​

    public double Width

    {

        get

        {

        return width;

        }

        set{

            width = value;

        }

    }

}

public class Program

{

    public static void Main()

    {

        Square square1 = new Square(0,0);

​

        Console.Write("Input height: ");

        square1.Height=Convert.ToDouble(Console.ReadLine());

        Console.Write("Input width: ");

        square1.Width=Convert.ToDouble(Console.ReadLine());

        Console.WriteLine("Square's height"+Height);

        Console.WriteLine("Square's Width:"+Width);

        square1.Add();

    }

}