10. Rage Expenses

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

namespace _10.Rage_Expenses
{
    class Program
    {
        static void Main(string[] args)
        {


            int lostGamesCount = int.Parse(Console.ReadLine());
            double headsetPrice = double.Parse(Console.ReadLine());
            double mousePrice = double.Parse(Console.ReadLine());
            double keyboardPrice = double.Parse(Console.ReadLine());
            double displayPrice = double.Parse(Console.ReadLine());

            int lostHeadsetCounter = 0;
            int lostMouseCounter = 0;
            double lostKeyboardCounter = 0;
            double lostDisplayCounter = 0;

            for (int i = 1; i <= lostGamesCount; i++)
            {
                if (i % 2 == 0)
                {
                    lostHeadsetCounter++;
                }
                if (i % 3 == 0)
                {
                    lostMouseCounter++;
                }
                if (i % 2 == 0 && i % 3 == 0)
                {
                    lostKeyboardCounter++;
                    lostDisplayCounter = Math.Floor(lostKeyboardCounter / 2);
                }


            }

            double RageExpenses = headsetPrice * lostHeadsetCounter +
                mousePrice * lostMouseCounter +
                keyboardPrice * lostKeyboardCounter +
                displayPrice * lostDisplayCounter;

            Console.WriteLine($"Rage expenses: {RageExpenses:f2} lv.");

        }
    }
}