using System;

public class Program // الاسم : اسماعيل الطوري 

{

    public static void Main()

    {

             double a = double.Parse(Console.ReadLine());

             double b = double.Parse(Console.ReadLine());

​

            Computer c1 = new Computer("hp" ,Computer.chooseSize(a , b ), 15 );

          Console.WriteLine(c1.ToString());

        c1.Type="dell"; 

              Console.WriteLine(c1.Type);

        }

    }

​

        class Computer

    {

        string type ;  // نوع 

        double size;   // حجم الشاشه 

        double  wight ; // وزن

​

        public Computer()

        { }

        public Computer(string type, double size, double wight)

        {

            this.type = type;

            this.wight = wight;

            this.size = size;

        }

        public string Type { get; set; }

        public double Size { get; set; }

        public double Wight { get; set; }

​

        public override string ToString()

        {

            return this.type + "    " + this.wight+ "    " + this.size ;

        }

​

        public static double chooseSize(double a, double b) //  عملية ( دالة ) تحسب حجم الشاشة المختار 

        {

​

​

            return a*b; 

        }

​

​

    }

​