using System;
using System.Xml.Schema;

namespace ToyStore
{
    class Program
    {
        static void Main(string[] args)
        {
            double travelPrice = double.Parse(Console.ReadLine());
            int brSaw = int.Parse(Console.ReadLine());
            int brDoll = int.Parse(Console.ReadLine());
            int brBears = int.Parse(Console.ReadLine());
            int brMinions = int.Parse(Console.ReadLine());
            int brTrucks = int.Parse(Console.ReadLine());

            double prSaw = 2.60;
            double prDoll = 3.00;
            double prBears = 4.10;
            double prMinnionts = 8.20;
            double prTrucks = 2.00;

            int brtoys = brBears + brDoll + brMinions + brSaw + brTrucks;
            double total = (brDoll * prDoll + brBears * prBears + brSaw * prSaw + brTrucks * prTrucks + brMinions * prMinnionts);
            double totalAfterRent = total - total * 0.10;
            double left = totalAfterRent - travelPrice;
            double needed = travelPrice - totalAfterRent;


            if (brtoys >=50)
                totalAfterRent=totalAfterRent-0.25*totalAfterRent;



            if (travelPrice <= total)

                Console.WriteLine($"Yes! {left:f2} lv left.");

                else if (travelPrice > totalAfterRent)
                        {
                Console.WriteLine($"Not enough money! {needed:f2} lv needed.");

            }







        }
    }
}