using System;

namespace _02.Shopping
{
    class Shopping
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            double numVideoCards = double.Parse(Console.ReadLine());
            double numProcessors = double.Parse(Console.ReadLine());
            double numRamMemory = double.Parse(Console.ReadLine());

            double priceVideoCards = numVideoCards * 250.0;
            double priceProcessor = numProcessors * (priceVideoCards * 0.35);
            double priceRamMemory = numRamMemory * (priceVideoCards * 0.10);

            double all = priceVideoCards + priceProcessor + priceRamMemory;

            if (numVideoCards > numProcessors)
            {
                all = all * 0.85;
            }

            double difference = Math.Abs(budget - all);

            if (budget >= all)
            {
                Console.WriteLine($"You have {difference:f2} leva left!");
            }
            else
            {
                Console.WriteLine($"Not enough money! You need {difference:f2} leva more!");
            }

        }
    }
}