using System;

namespace _08._Toy_Shop
{
    class Program
    {
        static void Main()
        {
            double excursionPrice = double.Parse(Console.ReadLine());
            int numPuzzels = int.Parse(Console.ReadLine());
            int numDolls = int.Parse(Console.ReadLine());
            int numBears = int.Parse(Console.ReadLine());
            int numMinions = int.Parse(Console.ReadLine());
            int numTrucks = int.Parse(Console.ReadLine());

            double income = numPuzzels * 2.60 + numDolls * 3.0 + numBears * 4.10 + numMinions * 8.20 + numTrucks * 2.0;
            int numOfToys = numPuzzels + numDolls + numBears + numMinions + numTrucks;

            if (numOfToys >= 50)
            {
                income = income - income * 0.25;
            }

            income = income - income * 0.10;

            if (excursionPrice <= income)
            {
                Console.WriteLine("Yes! {0:F2} lv left.", income - excursionPrice);
            }
            else
            {

                Console.WriteLine("Not enough money! {0:F2} lv needed.", Math.Abs(income - excursionPrice));
            }
        }
    }
}