Padawan Equipment

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Globalization;

namespace _09.PadawanEquipment
{
    class Program
    {
        static void Main(string[] args)
        {
            string line = Console.ReadLine();
            double money = double.Parse(line);

            line = Console.ReadLine();
            int countStudents = Int32.Parse(line);

            double priceLightsaber = double.Parse(Console.ReadLine(), CultureInfo.InvariantCulture);
            double priceRobe = double.Parse(Console.ReadLine(), CultureInfo.InvariantCulture);
            double priceBelt = double.Parse(Console.ReadLine(), CultureInfo.InvariantCulture);

            double needMoney = (priceLightsaber * Math.Ceiling(countStudents * 1.1)) + (priceRobe * countStudents) + (priceBelt * (countStudents - (countStudents / 6)));

            if (needMoney <= money)
                Console.WriteLine($"The money is enough - it would cost {needMoney, 0:N2}lv.");
            else
                Console.WriteLine($"John will need {needMoney - money, 0:N2}lv more.");

        }
    }
}