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

namespace _02.Flower_Shop
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberOfMagnolii = int.Parse(Console.ReadLine());
            int numberOfZumbuli = int.Parse(Console.ReadLine());
            int numberOfRoses = int.Parse(Console.ReadLine());
            int numberOfCactuses = int.Parse(Console.ReadLine());
            double presentPrice = double.Parse(Console.ReadLine());

            double magnoliiProfit = numberOfMagnolii * 3.25;
            double zumbuliProfit = numberOfZumbuli * 4.0;
            double rosesProfit = numberOfRoses * 3.5;
            double cactusesProfit = numberOfCactuses * 8.0;

            double totalProfit = magnoliiProfit + zumbuliProfit + rosesProfit + cactusesProfit;
            double totalProfitAfterTax = totalProfit - totalProfit * 0.05;

            if (totalProfitAfterTax >= presentPrice)
            {
                Console.WriteLine("She is left with {0} leva.", Math.Floor(totalProfitAfterTax - presentPrice));
            }
            else
            {
                Console.WriteLine("She will have to borrow {0} leva.", Math.Ceiling(presentPrice - totalProfitAfterTax));
            }
        }
    }
}