09. Padawan Equipment

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

namespace excercise
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            int studentsNumber = int.Parse(Console.ReadLine());
            double priceLightSabers = double.Parse(Console.ReadLine());
            double priceRobes = double.Parse(Console.ReadLine());
            double priceBelts = double.Parse(Console.ReadLine());

            double additinalLightSabers =Math.Ceiling( 0.10*studentsNumber);

            double totalLightSabers = (studentsNumber+additinalLightSabers)* priceLightSabers;
            double totalRobes = priceRobes * studentsNumber;

            double freeBelts =Math.Floor(studentsNumber / 6.00);
            double totalBelts = priceBelts *( studentsNumber-freeBelts);

            double moneyNeeded = totalBelts + totalLightSabers + totalRobes;
            if (budget>=moneyNeeded)
            {

                Console.WriteLine($"The money is enough - it would cost {moneyNeeded:f2}lv.");
            }
            else
            {
                double moneyDiff = moneyNeeded - budget;
                Console.WriteLine($"Ivan Cho will need {moneyDiff:f2}lv more.");
            }
        }
    }
}