using System;
class Program
{
    static void Main()
    {
        double cenaNaEkskurzia = double.Parse(Console.ReadLine());
        int broiPazeli = int.Parse(Console.ReadLine());
        int govoreshtiKukli = int.Parse(Console.ReadLine());
        int plusheniMecheta = int.Parse(Console.ReadLine());
        int minioni = int.Parse(Console.ReadLine());
        int kamioncheta = int.Parse(Console.ReadLine());

        double cenaPazel = 2.60;
        double cenaKukla = 3;
        double cenaMeche = 4.10;
        double cenaMinion = 8.20;
        double cenaKamion = 2;

        double sumOfProducts = (broiPazeli * cenaPazel) + (govoreshtiKukli * cenaKukla) +
            (plusheniMecheta * cenaMeche) + (minioni * cenaMinion) + (kamioncheta * cenaKamion);
        if ((broiPazeli + govoreshtiKukli + plusheniMecheta + minioni + kamioncheta) >= 50)
        {
            sumOfProducts = sumOfProducts - (0.25 * sumOfProducts);
        }
        sumOfProducts = sumOfProducts - (0.1 * sumOfProducts);
        if (sumOfProducts > cenaNaEkskurzia)
        {
            Console.WriteLine("Yes! {0:F2} lv left.", (Math.Abs(cenaNaEkskurzia - sumOfProducts)));
        }
        else
        {
            Console.WriteLine("Not enough money! {0:F2} lv needed.", (Math.Abs(cenaNaEkskurzia-sumOfProducts)));
        }

    }
}