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

namespace ConsoleApplication9
{
    using System.Numerics;

    class Program
    {
        static void Main(string[] args)
        {




                //Console.WriteLine("number cakes n: ");
                decimal cakesAmount = decimal.Parse(Console.ReadLine());
                //Console.WriteLine("necflour c: ");
                decimal kilograms = decimal.Parse(Console.ReadLine());
                //Console.WriteLine("all flour f: ");
                decimal availableFlour = decimal.Parse(Console.ReadLine());
                //Console.WriteLine("all truffles t: ");
                long truffels = long.Parse(Console.ReadLine());
                //Console.WriteLine("price of truffles p: ");
                decimal priceOfTruffel = decimal.Parse(Console.ReadLine());

                decimal flourneed = cakesAmount * kilograms; //123*1.2=147.6

                decimal price = 0;
                if (availableFlour >= flourneed) //150>147.6 >> true
                {
                    price = (truffels/cakesAmount);
                    price = price*priceOfTruffel;
                    price = price*1.25m; //(15/123)*2000*(1.25) = 304.878
                    Console.WriteLine("All products available, price of a cake: {0:F2}", price);
                }
                else
                {
                    decimal posscake = Convert.ToInt32(Math.Truncate(availableFlour / kilograms));
                    decimal neededflour = flourneed - availableFlour;
                    Console.WriteLine("Can make only {0} cakes, need {1:F2} kg more flour", posscake, neededflour);
                }

            }
        }
    }