using System;

namespace ToysShop
{
    class Program
    {
        static void Main(string[] args)
        {
            decimal priceTour = decimal.Parse(Console.ReadLine());
            int numberPuzzels = int.Parse(Console.ReadLine());
            int numberDolls = int.Parse(Console.ReadLine());
            int numberBears = int.Parse(Console.ReadLine());
            int numberMinions = int.Parse(Console.ReadLine());
            int numberTrucks = int.Parse(Console.ReadLine());

            int totalCount = numberPuzzels + numberDolls + numberBears + numberMinions + numberTrucks;

            decimal totalPrice = 0;
            totalPrice = numberPuzzels * (decimal)2.6
                + numberDolls * (decimal)3
                + numberBears * (decimal)4.1
                + numberMinions * (decimal)8.2
                + numberTrucks * (decimal)2;

            decimal remains;

            if (totalCount >= 50){
                totalPrice = totalPrice * 0.75m;
            }

            totalPrice = totalPrice * 0.9m;
            remains = Math.Abs(priceTour - totalPrice);

            if (priceTour <= totalPrice){
                //remains = totalPrice - priceTour;
                Console.WriteLine($"Yes! {remains:F2} lv left.");
            }
            else{
                Console.WriteLine($"Not enough money! {remains:F2} lv needed.");
            }
        }
    }
}