using System;

namespace ToyShop
{
    class Program
    {
        static void Main(string[] args)
        {
            double travelPrice = double.Parse(Console.ReadLine());
            int soldPuzzles = int.Parse(Console.ReadLine());
            int soldDolls = int.Parse(Console.ReadLine());
            int soldTeddyBears = int.Parse(Console.ReadLine());
            int soldMinions = int.Parse(Console.ReadLine());
            int soldTrucks = int.Parse(Console.ReadLine());

            double puzzlesMoney = soldPuzzles * 2.6;
            double dollsMoney = soldDolls * 3;
            double teddyBearsMoney = soldTeddyBears * 4.1;
            double minionsMoney = soldMinions * 8.2;
            double trucksMoney = soldTrucks * 2;

            int toysCount = soldPuzzles + soldDolls + soldTeddyBears + soldMinions + soldTrucks;
            double totalProfit = puzzlesMoney + dollsMoney + teddyBearsMoney + minionsMoney + trucksMoney;

            if (toysCount >= 50)
            {
                totalProfit = totalProfit * 0.75;
            }

            totalProfit = totalProfit * 0.9;

            if (totalProfit >= travelPrice)
            {
                double remainingMoney = totalProfit - travelPrice;
                Console.WriteLine($"Yes! { remainingMoney:F2} lv left.");
            }

            else if (totalProfit < travelPrice)
            {
                double missingMoney = travelPrice - totalProfit;
                Console.WriteLine($"Not enough money! {missingMoney:F2} lv needed.");
            }


        }
    }
}