using System;

public class Program

{

    public static void Main()

    {

        var a = Console.ReadLine();

        var r = int.Parse(Console.ReadLine());

        var c = int.Parse(Console.ReadLine());

        var all = r*c;

        switch (a)

        {

            case "Premiere": Console.WriteLine(all* 12 + " leva"); break;           

            case "Normal": Console.WriteLine(all* 7.5 + " leva"); break;

            case "Discount": Console.WriteLine(all* 5 + " leva"); break;

            default: Console.WriteLine("Error"); break;

        }

    }

}