07. Fruit Market

using System;

namespace _07.FruitMarket
{
    class Program
    {
        static void Main(string[] args)
        {


            double priceStrawberries = double.Parse(Console.ReadLine());
            double kgBananas = double.Parse(Console.ReadLine());
            double kgOranges = double.Parse(Console.ReadLine());
            double kgRaspberries = double.Parse(Console.ReadLine());
            double kgStrawberries = double.Parse(Console.ReadLine());

            //ягоди
            double sumStrawberries = kgStrawberries * priceStrawberries;

            //малини
            double priceRaspberries = priceStrawberries / 2;
            double sumRaspberries = kgRaspberries * priceRaspberries;

            //банани
            double priceBananas = priceRaspberries - 0.80 * priceRaspberries; // priceRaspberries * 0.2
            double sumBananas = kgBananas * priceBananas;

            //портокали
            double priceOranges = priceRaspberries - 0.40 * priceRaspberries; //0.6 * priceRaspberries
            double sumOranges = kgOranges * priceOranges;

            //Обща сума
            double totalSum = sumStrawberries + sumRaspberries + sumBananas + sumOranges;

            Console.WriteLine($"{totalSum:F2}");


        }
    }
}