using System;

public class Program

{

    public static void Main()

    {

        var cproc = double.Parse(Console.ReadLine());

        var workers = double.Parse(Console.ReadLine());

        var workdays =double.Parse(Console.ReadLine());

        var prodproc = Math.Floor((workdays*workers*8)/3);

        if(prodproc>cproc){

            Console.WriteLine("Profit: -> {0} BGN", Math.Round((prodproc-cproc)*110.10, 2));

        }

        else{

            Console.WriteLine("Loss: -> {0} BGN", Math.Round((cproc-prodproc)*110.10, 2));

        }

    }

}