using System;

public class Program

{

    public static void Main()

    {

        double width, lenght;

        Console.WriteLine("enter width");

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

        Console.WriteLine("enter lenght");

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

        sum (width,lenght);

        paint (width,lenght);

    }

    public static void sum (double width, double lenght)

    {

        double cross, Smalben, Pmalben;

            cross= Math.Sqrt((width*width)+(lenght*lenght));

            Smalben= (width*lenght);

            Pmalben= ((2*width)+(2*lenght));

            Console.WriteLine("cross is "+ cross+" S is "+Smalben+" P is "+Pmalben);

    }

    static void paint (double width, double lenght)

    {

        for (int i=0; i<width; i++)

        {

            for (int j=0; j<lenght; j++)

            {

                Console.Write(" $ ");

            }

            Console.WriteLine();

        }

    }

}