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using System;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            double excurison = double.Parse(Console.ReadLine());
            int countPuzzles = int.Parse(Console.ReadLine());
            int countBarbies = int.Parse(Console.ReadLine());
            int countBears = int.Parse(Console.ReadLine());
            int countMinions = int.Parse(Console.ReadLine());
            int countTrucks = int.Parse(Console.ReadLine());


            double pricePuzzles = countPuzzles * 2.60;
            double priceBarbies = countBarbies * 3;
            double priceBears = countBears * 4.10;
            double priceMinions = countMinions * 8.20;
            double priceTrucks = countTrucks * 2;

            double totalMoney = priceBarbies + priceBears + priceMinions + pricePuzzles + priceTrucks;
            int totalCount = countPuzzles + countTrucks + countMinions + countBarbies;


            if (totalCount >= 50)
            {
                totalMoney = totalMoney * 0.75;
            }
            totalMoney = totalMoney * 0.9;

            if (totalMoney >= excurison)
            {
                double left = totalMoney - excurison;
                Console.WriteLine($"Yes! {left:f2} lv left.");
            }

            else
            {
                double needed = excurison - totalMoney;
                Console.WriteLine($"Not enough money! {needed:f2} lv needed.");


            }
        }

    }
}