using System;

public class Program

{

    public static void Main()

    {

        string screening = Console.ReadLine();

        int rows = int.Parse(Console.ReadLine());

        int columns = int.Parse(Console.ReadLine());

        double totalPrice = rows * columns;

        if (screening == "Premiera")

        {

            totalPrice = totalPrice * 12.00;

         } else if (screening == "Normal")

        {   

            totalPrice = totalPrice * 7.50;

         }else if (screening == "Discount")

        {

            totalPrice = totalPrice * 5.00;

        }

            Console.WriteLine("{0:F2} leva", totalPrice);         

    }

}