using System;

public class Program

{

    public static void Main()

    {

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

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

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

        var mans_hours=mans*days*8;

        if(mans_hours>=hours) Console.WriteLine("{0} hours left",mans_hours-hours);

        else {Console.WriteLine("{0} overtime",hours-mans_hours);Console.WriteLine("Penalties: {0}",(hours-mans_hours)*days);}

    }

}