using System;

namespace Ski_pochivka
{
    class Program
    {
        static void Main(string[] args)
        {

            int days = int.Parse(Console.ReadLine());
            string typeOfRoom = Console.ReadLine();
            string feedback = Console.ReadLine();

            double pricepernight = 0.0;
            double discount = 0.0;

            if (typeOfRoom == "roomPerOnePerson")
            {
                pricepernight = 18.00;
            }

            else if (typeOfRoom == "apartment")
            {
                pricepernight = 25.00;

                if (days > 10)
                {
                    discount = 0.30;
                }
                else if (days >= 10 && days <= 15)
                {
                    discount = 0.35;
                }
                else if (days > 15)
                {
                    discount = 0.50;
                }

            }

            else if (typeOfRoom == "president apartment")
            {
                pricepernight = 35.00;

                if (days > 10)
                {
                    discount = 0.10;
                }
                else if (days >= 10 && days <= 15)
                {
                    discount = 0.15;
                }
                else if (days > 15)
                {
                    discount = 0.20;
                }
            }

            int nights = days - 1;
            double totalExpenses = nights * pricepernight;
            totalExpenses = totalExpenses - totalExpenses * discount;

            Console.WriteLine(totalExpenses);


              if (feedback == "positive")
              {
                totalExpenses = totalExpenses + (totalExpenses * 0.25);
              }
              else if (feedback == "negative")
              {
                totalExpenses = totalExpenses - (totalExpenses * 0.1);
              }

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

        }
    }
}