using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace _2_zadacha
{
    class Program
    {
        static void Main(string[] args)
        {
double pricepit = double.Parse(Console.ReadLine());
            int colpit = int.Parse(Console.ReadLine());
            int colkoz = int.Parse(Console.ReadLine());
            int colgev = int.Parse(Console.ReadLine());
            int colcor = int.Parse(Console.ReadLine());
            double budget = double.Parse(Console.ReadLine());
            double allprice = (pricepit * colpit) + ((1.2 * pricepit) * colkoz) + ((0.72 * pricepit) * colgev) + ((0.72 * pricepit + 1.2) * colcor);
            if (budget >= allprice)
                Console.WriteLine("Yes! {0:.##} leva left.", budget - allprice);
            else
                Console.WriteLine("No! {0:.##} leva need.", allprice - budget);

        }
    }
}