using System;

namespace ToyStore
{
    class Program
    {
        static void Main(string[] args)
        {
            double tripExpenses = double.Parse(Console.ReadLine());
            double puzzle = double.Parse(Console.ReadLine());
            double dolls = double.Parse(Console.ReadLine());
            double bears = double.Parse(Console.ReadLine());
            double minion = double.Parse(Console.ReadLine());
            double truck = double.Parse(Console.ReadLine());

            double sum = puzzle * 2.60 + dolls * 3 + bears * 4.10 + minion * 8.20 + truck * 2;
            double toyNumber = puzzle + dolls + bears + minion + truck;
            //double discount = sum * 0.25;
            //double totalSum = sum - discount;
            //double rent = totalSum * 0.1;
            //double profit = totalSum - rent;
            sum *= 0.90;

            if (toyNumber > 50)
            {
                sum *= 0.75;
            }
            if (sum >= tripExpenses)
            {
                sum -= tripExpenses;
                Console.WriteLine($" Yes! {sum:f2} lv left.");
            }
           else if (sum <= tripExpenses)
            {
                double sum1 = tripExpenses - sum;
                Console.WriteLine($"Not enough money! {sum1:f2} lv needed.");
            }


        }
    }
}