using System;

public class Program

{

    public static void Main()

    {

        double whiskeyPrice = double.Parse(Console.ReadLine());

        double beerQuantity = double.Parse(Console.ReadLine());

        double wineQuantity = double.Parse(Console.ReadLine());

        double rakiaQuantity = double.Parse(Console.ReadLine());

        double whiskeyQuantity = double.Parse(Console.ReadLine());

        double rakiaPrice = (0.5 * whiskeyPrice);

        double winePrice = rakiaPrice - (0.4 * rakiaPrice);

        double beerPrice = rakiaPrice - (0.8 * rakiaPrice);

        double rakiaSum = rakiaPrice * rakiaQuantity;

        double wineSum = winePrice * wineQuantity;

        double beerSum = beerPrice * beerQuantity;

        double whiskeySum = whiskeyPrice * whiskeyQuantity;

        Console.WriteLine("{0:F2}" , rakiaSum );

        Console.WriteLine("{0:F2}" , wineSum);

        Console.WriteLine("{0:F2}" , beerSum);

        Console.WriteLine("{0:F2}" , whiskeySum);

        double totalMoney = rakiaSum + wineSum + beerSum + whiskeySum;

        Console.WriteLine("{0:F2}" , totalMoney);

    }

}