using System;

public class Program

{

    public static void Main()

    {

        int windowheight;

        int windowwidth;

        int fullness;

        int materialneededmetres;

        int price;

        float VAT = 0.2F;

        Console.WriteLine("What is the window height?");

        windowheight = int.Parse(Console.ReadLine());

        Console.WriteLine("What is the window width?");

        windowwidth = int.Parse(Console.ReadLine());

        Console.WriteLine("What fullness is required?");

        fullness = int.Parse(Console.ReadLine());

        materialneededmetres = windowheight * windowwidth * fullness;

        Console.WriteLine("What is the price per metre?");

        price = int.Parse(Console.ReadLine());

        VAT = price * materialneededmetres * VAT;

        Console.WriteLine("Hello, you need {0} metres of material", materialneededmetres);

        Console.WriteLine("The price of your curtains is £{0}", materialneededmetres * price + VAT);

        Console.ReadLine();

    }

}