01

using System;

namespace 01
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int count = int.Parse(Console.ReadLine());


    double totalPrice = 0;


    for (int i = 1; i <= count; i++)
    {
        string equipment = Console.ReadLine();

        if (equipment == "bed")
        {
            totalPrice += 1300;

        }
        else if (equipment == "jacuzzi")
        {
            totalPrice += 3200;

        }
        else if (equipment == "towel")
        {
            totalPrice += 10;

        }
    }
    Console.WriteLine($"{totalPrice:F2}");
        }
    }
}