Egg Farm

using System;

namespace ConsoleApp39
{
    class Program
    {
        static void Main(string[] args)
        {
            int eggPrice = int.Parse(Console.ReadLine());
            int firstMonth = int.Parse(Console.ReadLine());
            int secondMonth = int.Parse(Console.ReadLine());
            int thirdMonth = int.Parse(Console.ReadLine());
            double leva = eggPrice * 0.010;

            int eggCount = (firstMonth * 20) + ((firstMonth + secondMonth) * 20) + ((firstMonth + secondMonth + thirdMonth) * 20);
            int totalEggs = ((eggCount * 96) / 100);
            double profit = Math.Floor(totalEggs * leva);
            Console.WriteLine(profit);
        }
    }
}