using System;

namespace OnTimeForExam
{
    class Program
    {
        static void Main(string[] args)
        {
            int hourExam = int.Parse(Console.ReadLine());
            int minutesExam = int.Parse(Console.ReadLine());
            int hourArrival = int.Parse(Console.ReadLine());
            int minuteArrival = int.Parse(Console.ReadLine());

            double timeExam = hourExam * 60 + minutesExam;
            double timeArrival = hourArrival * 60 + minuteArrival;
            double early = timeExam - timeArrival;

            if (timeExam > timeArrival)
            {
                if (early <= 30)
                {
                    Console.WriteLine("On time");
                }

                else
                {
                    Console.WriteLine("Early");
                }
            }
            else if (timeExam == timeArrival)
            {
                Console.WriteLine("On time");
            }
            else
            {
                Console.WriteLine("Late");
            }



            if (early >=1 && early < 60)
            {
                Console.WriteLine($"{early} minutes before the start");
            }
            else if (early >=60 )
            {
                double earlyHours = early / 60;
                double earlyMinutes = early % 60;

                Console.WriteLine($"{earlyHours}: {earlyMinutes:D2} hours before the start");
            }
            else if (early <0 && early > -60)
            {
                early = Math.Abs(early);
                Console.WriteLine($"{early} minutes after the start");
            }
            else if (early <= -60)
            {
                early = Math.Abs(early);
                double lateHours = early / 60;
                double lateMinutes = early % 60;

                Console.WriteLine($"{lateHours}: {lateMinutes:D2} hours after the start");
            }

        }
    }
}