using System;

namespace Shopping
{
    class Program
    {
        static void Main()
        {
            decimal budget = decimal.Parse(Console.ReadLine());
            int numberOfChocos = int.Parse(Console.ReadLine());
            double amountOfMilk = double.Parse(Console.ReadLine());
            decimal priceMilk = 2.7m;
            decimal priceChoco = 0.65m;
            decimal priceMandarin = 0.2m;
            int numberOfMandarin = (int)(numberOfChocos * (1 - 0.35));
            decimal totalCost = numberOfChocos * priceChoco + numberOfMandarin * priceMandarin + (decimal)amountOfMilk * priceMilk;
            decimal diff = Math.Abs(totalCost - budget);
            if (budget >= totalCost)
            {
                Console.WriteLine($"You got this, {diff:F2} money left!");
            }
            else
            {
                Console.WriteLine($"Not enough money, you need {diff:F2} more!");
            }
        }
    }
}