using System;

namespace Problem02_Styrofoam
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            double houseArea = double.Parse(Console.ReadLine());
            int windows = int.Parse(Console.ReadLine());
            double styrofoamInPackage = double.Parse(Console.ReadLine());
            double styrofoamPricePerPackage = double.Parse(Console.ReadLine());

            double windowsArea = windows * 2.4;
            houseArea -= windowsArea;
            houseArea += houseArea * 0.1;
            double packageNeed = Math.Ceiling(houseArea / styrofoamInPackage);
            double price = packageNeed * styrofoamPricePerPackage;

            if (price > budget)
            {
                Console.WriteLine("Need more: {0:F2}", price - budget);
            }
            else
            {
                Console.WriteLine("Spent: {0:F2}", price);
                Console.WriteLine("Left: {0:F2}", budget - price);
            }
        }
    }
}