using System;

namespace Осма_задача___примерна_изпитна_задача
{
    class Program
    {
        static void Main(string[] args)
        {
            double tripPrice = double.Parse(Console.ReadLine());
            int puzzlesNumber = int.Parse(Console.ReadLine());
            int talkingDollsNumber = int.Parse(Console.ReadLine());
            int teddyBearsNumber = int.Parse(Console.ReadLine());
            int minionsNumber = int.Parse(Console.ReadLine());
            int trucksNumber = int.Parse(Console.ReadLine());

            double puzzlePrice = puzzlesNumber * 2.60;
            int talkingDollsPrice = talkingDollsNumber * 3;
            double teddyBearsPrice = teddyBearsNumber * 4.1;
            double minionsPrice = minionsNumber * 8.2;
            int trucksPrice = trucksNumber * 2;

            double toysPrice = puzzlePrice + talkingDollsPrice + minionsPrice + teddyBearsPrice + trucksPrice;
            double rent = toysPrice * 0.1;
            double income = toysPrice - rent;
            int toysNumber = puzzlesNumber + talkingDollsNumber + teddyBearsNumber + minionsNumber + trucksNumber;
            if (toysNumber >= 50)
            {
                income*= 0.75;
            }
            if (income>=tripPrice)
            {
                double moneyleft = income - tripPrice;
                Console.WriteLine($"Yes! {moneyleft:f2} lv left.");
            }
            if (income < tripPrice)
            {
                double moneyleft = tripPrice - income;
                Console.WriteLine($"Not enough money! {moneyleft:f2} lv needed.");
            }
        }
    }
}