Beer Time

using System;
using System.Threading;
using System.Globalization;

namespace Problem_10__Beer_Time
{
    class BeerTime
    {
        public static void Main ()
        {
            long input = 0;

            try
            {
                input = Convert.ToDateTime (Console.ReadLine ()).Ticks;
            }
            catch (FormatException e)
            {
                Console.WriteLine (e.Message);
                return;
            }

            // Let's count the ticks between times.

            // There was an issue with the fact that 1pm should be calculated as a date before midnight(the day before)
            // and 3pm is after midnight, so on the next day.
            // Here's how I devided to fix it. There are better ways for sure...
            long midNight = Convert.ToDateTime ("00:00 AM").Ticks;
            long start = Convert.ToDateTime ("01:00 PM").Ticks;
            long end = Convert.ToDateTime ("03:00 AM").Ticks;

            bool isBeforeEndAfterMidnight = (input >= midNight) && (input < end);
            bool isAfterStartAfterMidnight = (input >= midNight) && (input >= start);

            // Checking if it's beer time already...
            if (isAfterStartAfterMidnight || isBeforeEndAfterMidnight)
            {
                Console.WriteLine ("beer time");
            }
            else
            {
                Console.WriteLine ("non-beer time");
            }
        }
    }
}