using System;

public class Program
{
	public static void Main()
	{
		  double excursion = double.Parse(Console.ReadLine());
        int puzzelsNum = int.Parse(Console.ReadLine());
        int dollNum =  int.Parse(Console.ReadLine());
        int bearNum =  int.Parse(Console.ReadLine());
        int minionNum = int.Parse(Console.ReadLine());
        int truckNum = int.Parse(Console.ReadLine());
        int toysTotal = puzzelsNum + dollNum + bearNum + minionNum + truckNum;
        double toysPrise = (puzzelsNum * 2.60) + (dollNum * 3) + (bearNum * 4.10) + (minionNum *8.20) + (truckNum * 2);
        double profit = 0;
        double difference = 0;
        if(excursion < toysPrise && toysTotal>=50)
        {
            profit = (toysPrise -0.25 * toysPrise) - (0.1 *(toysPrise -0.25 * toysPrise));
            difference = profit - excursion;
            Console.WriteLine( "Yes! {0:F2} lv left.",difference);

        }
		else if(excursion > toysPrise)
		{
			profit = toysPrise - (0.1 * toysPrise);
			difference =  excursion - profit;
			Console.WriteLine( "Not enough money! {0:F2} lv needed.",difference);
		}
	}
}