using System;

namespace movietheather
{
    class Program
    {
        static void Main(string[] args)
        {
            string type = Console.ReadLine();
            int rows = int.Parse(Console.ReadLine());
            int columns = int.Parse(Console.ReadLine());

            double sum = 0.0;

            if (type == "Premiere")

            {
                sum = rows * columns * 12;
            }

            else if (type == "Normal")

            {
                sum = rows * columns * 7.5;

            }

            else if (type == "Discount")

            {
                sum = rows * columns * 5;

            }

            Console.WriteLine($"{sum:f2} leva");
        }
    }
}