The Pyramid Of King Djoser

using System;

namespace ThePyramidOfKingDjoser
{
    class Program
    {
        static void Main(string[] args)
        {
            int basis = int.Parse(Console.ReadLine());
            double increment = double.Parse(Console.ReadLine());
            double step = 0;
            double stone = 0;
            double marble = 0;
            double lapis = 0;
            double gold = 0;

            for (int i = basis; i > 0; i -= 2)
            {
                int size = i * i;
                step++;
                if (i < 3)
                {
                    gold = size * increment;
                }
                else
                {
                    stone += (i - 2) * (i - 2) * increment;
                    double decorate = (i * 4 - 4) * increment;
                    if (step % 5 != 0)
                    {
                        marble += decorate;
                    }
                    else
                    {
                        lapis += decorate;
                    }
                }
            }
            Console.WriteLine($"Stone required: { Math.Ceiling(stone)}");
            Console.WriteLine($"Marble required: { Math.Ceiling(marble)}");
            Console.WriteLine($"Lapis Lazuli required: { Math.Ceiling(lapis)}");
            Console.WriteLine($"Gold required: { Math.Ceiling(gold)}");
            Console.WriteLine($"Final pyramid height: { Math.Floor(step * increment)}");
        }
    }
}