Fruit_Market

using System;

namespace Fruit_Market
{
    class Program
    {
        static void Main(string[] args)
        {
            decimal strawbery = decimal.Parse(Console.ReadLine());
            decimal bananaQuantity = decimal.Parse(Console.ReadLine());
            decimal orangesQuantity = decimal.Parse(Console.ReadLine());
            decimal maliniQuantity = decimal.Parse(Console.ReadLine());
            decimal strawberiesQuantity = decimal.Parse(Console.ReadLine());

            decimal malini = strawbery / 2;
            decimal orange = malini - (malini * 0.4m);
            decimal banana = malini - (malini * 0.8m);

            decimal bananaSum = bananaQuantity * banana;
            decimal orangeSum = orangesQuantity * orange;
            decimal maliniSum = maliniQuantity * malini;
            decimal strawberySum = strawberiesQuantity * strawbery;

            decimal totalSum = (strawberySum + maliniSum + orangeSum + bananaSum);
            Console.WriteLine("{0:F2}", totalSum);
        }
    }
}