Padawan Equipment

using System;

namespace Practice___Padawan_Equipment
{
    class Program
    {
        static void Main(string[] args)
        {
            double amouthOfMoney = double.Parse(Console.ReadLine());
            int countOfStudents = int.Parse(Console.ReadLine());
            double priceOfLightsabers = double.Parse(Console.ReadLine());
            double priceOfRobes = double.Parse(Console.ReadLine());
            double priceOfBelts = double.Parse(Console.ReadLine());

            double additionalLightsabers = countOfStudents / 0.90;
            double ceiledPriceOfSabers = Math.Ceiling(additionalLightsabers);
            double freeBelts = countOfStudents / 6;

            double sabers = (priceOfLightsabers * ceiledPriceOfSabers);
            double robes = (priceOfRobes * countOfStudents);
            double belts = (priceOfBelts * (countOfStudents - freeBelts));


            double sum = sabers + robes + belts;
            if (sum > amouthOfMoney)
            {
                double moneyNeeded = sum - amouthOfMoney;
                Console.WriteLine($"Ivan Cho will need {moneyNeeded:F2}lv more.");
            }
            else
            {
                Console.WriteLine($"The money is enough - it would cost {sum:F2}lv.");
            }
        }
    }
}