using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

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

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

        double metraPrice = kvmetra * 7.61;

        double ostapka1 = 0.18 * metraPrice;

        double TotalPrice = metraPrice - ostapka1;

        Console.WriteLine("The final price is: {0}" , TotalPrice);

        Console.WriteLine("The discount is : {1}" 

    }

}