using System;

public class Program

{

    public static void Main()

    {

        double day, m3ash, sa3a, D, S;

            Console.Write("day:- ");

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

            Console.Write("sa3at:- ");

            sa3a = double.Parse(Console.ReadLine());

            Console.Write("m3ash:- ");

            m3ash = double.Parse(Console.ReadLine());

            S = sa3a * m3ash * day;

            Console.Write("mash in shekel is ");

            Console.WriteLine(S);

            m3ash = double.Parse(Console.ReadLine());

            Console.Write("mash in USD is ");

            D = S / 3.5;

            Console.Write(D);

            Console.WriteLine("$");

​

    }

}