izpit 1 100%

using System;

public class Program
{
	public static void Main()
	{
		int num = int.Parse(Console.ReadLine());
		double allmoney = 0;
		double money = 0;
		for(int i = 0 ;i < num; i++)
		{
			string type = Console.ReadLine();

			if (type == "treadmill")
			{
				money += 5899;
			}
			else if (type == "cross trainer")
			{
				money += 1699;
			}
			else if (type == "exercise bike")
			{
				money += 1789;
			}
		    if (type == "dumbbells")
			{
				money += 579;
			}
		}
		allmoney += money;
		Console.WriteLine("{0:F2}", allmoney);
	}
}