Book Problem

using System;

    class Petar_sGame
    {
        static void Main()
        {
            double numberPages = double.Parse(Console.ReadLine());
            int campingDays = int.Parse(Console.ReadLine());
            int pagesPerDay = int.Parse(Console.ReadLine());

            int readingDays = 30 - campingDays; //dni chete
            int MonthPages = readingDays * pagesPerDay; //kolko stranici za 1 mesec

            if (readingDays == 0)
            {
                Console.WriteLine("never");
            }

            else
            {
                int totalReading = (int)Math.Ceiling(numberPages / MonthPages);

                int years = totalReading / 12;

                int months = totalReading % 12;

                Console.WriteLine("{0} years {1} months", years, months);

            }





        }
    }