workinghours

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace issue2workinghours
{
    class Program
    {
        static void Main(string[] args)
        {
            int givenhours = int.Parse(Console.ReadLine());
            int workers = int.Parse(Console.ReadLine());
            int days = int.Parse(Console.ReadLine());

            int workinghours = (workers * days) * 8;

            if(workinghours>givenhours)
            {
                Console.WriteLine("{0} hours left", workinghours - givenhours);
            }
            else if(workinghours<givenhours)
            {
                Console.WriteLine("{0} overtime\nPenalties: {1}",Math.Abs(workinghours-givenhours),((Math.Abs(workinghours-givenhours))*days));
            }






        }
    }
}