using System;

public class Program

{

    public static void Main()

    {

        string projection=Console.ReadLine();

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

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

        double income=rows*columns;

        switch(projection)

        {

            case "Premiere":

                income*=12.00;break;

            case "Normal":

                income*=7.50;break;

            case "Discount":

                income*=5.00;break; 

        }

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

    }

}