2016_November_20M Fishland

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

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

            double SkumPrice = double.Parse(Console.ReadLine());
            double CacaPrice = double.Parse(Console.ReadLine());
            double PalaPrice = double.Parse(Console.ReadLine());
            double SafrPrice = double.Parse(Console.ReadLine());
            double MidiPrice = double.Parse(Console.ReadLine());

            var palamud = SkumPrice + SkumPrice * 0.6;
            var PalaSum = PalaPrice * palamud;

            var safrid = CacaPrice + CacaPrice * 0.8;
            var SafrSum = SafrPrice * safrid;

            var midi = MidiPrice * 7.50;

            var total = PalaSum + SafrSum + midi;

            Console.WriteLine($"{total:f2}");

        }
    }
}