using System;

​

namespace Calculator{

    public class Rectangle{

        public int Width {get; set;}

        public int Height {get; set;}

        public Rectangle(int width, int height){

            Width = width;

            Height = height;

        }

        public int Area(){

            return Width * Height;

        }

        public static void Main(){

            Rectangle rectangleCalc = new Rectangle(5,5);

            Console.WriteLine(rectangleCalc.Area);

        }

    }

}