using System;

namespace ToyShop
{
    class Program
    {
        static void Main(string[] args)
        {
            double vacation = double.Parse(Console.ReadLine());
            int puzzles = int.Parse(Console.ReadLine());
            int dolls = int.Parse(Console.ReadLine());
            int bears = int.Parse(Console.ReadLine());
            int minions = int.Parse(Console.ReadLine());
            int trucks = int.Parse(Console.ReadLine());

            double sum = puzzles * 2.60 + dolls * 3 + bears * 4.10 + minions * 8.20 + trucks * 2;
            int toyNumber = puzzles + dolls + bears + minions + trucks;

            double discount = 0.0;
            if (toyNumber >= 50)
            {
                discount = sum * 0.25;
            }

            double endPrice = sum - discount;
            endPrice = endPrice - (endPrice * 0.10);

            if ( endPrice >= vacation)
            {
                endPrice = endPrice - vacation;
                Console.WriteLine($"Yes! {endPrice:F2} lv left.");
            }

            else
            {
                endPrice = vacation - endPrice;
                Console.WriteLine($"Not enough money! {endPrice:F2} lv needed.");
            }
        }
    }
}