Rage Expenses - Intro and Basic Syntax

using System;
using System.Linq;
using System.Collections.Generic;


public class Program
{
	public static void Main()
	{
		int lostGames = int.Parse(Console.ReadLine());
		decimal headsetPrice = decimal.Parse(Console.ReadLine());
		decimal mousePrice = decimal.Parse(Console.ReadLine());
		decimal keyboardPrice = decimal.Parse(Console.ReadLine());
		decimal displayPrice = decimal.Parse(Console.ReadLine());

		int headsetCounter =0;
		int mouseCounter =0;
		int keyboardCounter =0;
		int displayCounter =0;


		for (int i=1; i<=lostGames; i++)
		{
			if (i%2==0)
			{
				headsetCounter++;
			}
			if (i%3==0)
			{
				mouseCounter++;
			}
			if (i%6==0)
			{
				keyboardCounter++;
			}
			if (i%12==0)
			{

				displayCounter++;


			}
		}

		decimal totalCost = (headsetPrice*headsetCounter) + (mousePrice*mouseCounter) + (keyboardPrice*keyboardCounter) + (displayPrice*displayCounter);

		Console.WriteLine("Rage expenses: {0:f2} lv.",totalCost);
	}
}