PadwanEquipment

using System;

namespace PadawanEquipment
{
    class Program
    {
        static void Main(string[] args)
        {
            double money = double.Parse(Console.ReadLine());
            int numberOfStudents = int.Parse(Console.ReadLine());
            double priceLightsabers = double.Parse(Console.ReadLine());
            double priceRobes = double.Parse(Console.ReadLine());
            double priceBelts = double.Parse(Console.ReadLine());
            double lightSabers = Math.Ceiling(numberOfStudents +  numberOfStudents*0.1);
            int freeBelts = numberOfStudents / 6;
            double totalMoneyNeeded = lightSabers * priceLightsabers + numberOfStudents * priceRobes + (numberOfStudents - freeBelts) * priceBelts;
            if (money >= totalMoneyNeeded)
            {
                Console.WriteLine($"The money is enough - it would cost {totalMoneyNeeded:f2}lv.");
            }
            else
            {
                Console.WriteLine($"Ivan Cho will need {totalMoneyNeeded-money:f2}lv more.");
            }
        }
    }
}