Alcohol_Market

using System;

namespace Alcohol_Market
{
    class Alcohol_Market
    {
        static void Main(string[] args)
        {
            double PriceWhiskey = double.Parse(Console.ReadLine());
            double quantityBeer = double.Parse(Console.ReadLine());
            double quantityWine = double.Parse(Console.ReadLine());
            double quantityRakia = double.Parse(Console.ReadLine());
            double quantityWhiskey = double.Parse(Console.ReadLine());
            double PriceRakia = PriceWhiskey / 2;
            double PriceWine = 0.60 * PriceRakia;
            double PriceBeer = 0.20 * PriceRakia;
            double sumRakia = quantityRakia * PriceRakia;
            double sumWine = quantityWine * PriceWine;
            double sumBeer = quantityBeer * PriceBeer;
            double sumWhiskey = quantityWhiskey * PriceWhiskey;
            Console.WriteLine($"{(sumRakia + sumWine + sumBeer + sumWhiskey):f2}");
        }
    }
}