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

namespace Стиропор
{
    class Program
    {
        static void Main(string[] args)
        {
            double Budget = double.Parse(Console.ReadLine());
            double AreaOfHouse = double.Parse(Console.ReadLine());
            double Windows = double.Parse(Console.ReadLine());
            double MetersStyrofoamPerPackage = double.Parse(Console.ReadLine());
            double PackageOfStyrofoamPrice = double.Parse(Console.ReadLine());

            double AreaOfWindows = Windows * 2.4;
            double AreaOfHouseWithoutAreaOfWindwos = AreaOfHouse - AreaOfWindows;
            double AreaOfHouseWithWastage = AreaOfHouseWithoutAreaOfWindwos * 1.10;
            double NeededPackages =Math.Ceiling (AreaOfHouseWithWastage / MetersStyrofoamPerPackage);
            double PriceForPackages = NeededPackages * PackageOfStyrofoamPrice;

            if (Budget >= PriceForPackages)
            {
                double LeftMoney = Budget - PriceForPackages;
                Console.WriteLine("Spent: {0:F2}", PriceForPackages);
                Console.WriteLine("Left: {0:F2}", LeftMoney);
            }
            else
            {
                double NeededMore = PriceForPackages - Budget;
                Console.WriteLine("Need more: {0:F2}", NeededMore);
            }
        }
    }
}