using System;

namespace OnTimeForTheExam
{
    class Program
    {
        static void Main(string[] args)
        {
            int hourOfExam = int.Parse(Console.ReadLine());
            int minuteOfExam = int.Parse(Console.ReadLine());
            int hourOfArrived = int.Parse(Console.ReadLine());
            int minuteOfArrived = int.Parse(Console.ReadLine());

            int totalminuteOfExam = (hourOfExam * 60) + minuteOfExam;
            int totalminuteOfArrived = (hourOfArrived * 60) + minuteOfArrived;
            int different = totalminuteOfExam - totalminuteOfArrived;

            if (totalminuteOfArrived == totalminuteOfExam)
            {
                Console.WriteLine("On time");
            }
            else if (different >= 0 && different <= 30)
            {
                Console.WriteLine("On time");
                Console.WriteLine($"{different} minutes before the start");

            }
            else if (different > 30)
            {
                if (different < 60)
                {
                    Console.WriteLine("Early");
                    Console.WriteLine($"{totalminuteOfExam - totalminuteOfArrived} minutes before the start");
                }
                else
                {
                    Console.WriteLine("Early");
                    Console.WriteLine($"{hourOfExam - hourOfArrived}:{minuteOfExam - minuteOfArrived:d2} hours before the start");
                }
            }
            else if (different < 0)
            {
                if (Math.Abs(different) < 60)
                {
                    Console.WriteLine("Late");
                    Console.WriteLine($"{Math.Abs(totalminuteOfExam - totalminuteOfArrived)} minutes after the start");
                }
                else
                {
                    Console.WriteLine("Late");
                    Console.WriteLine($"{Math.Abs(hourOfExam - hourOfArrived)}:{Math.Abs(minuteOfExam - minuteOfArrived):d2} hours after the start");
                }
            }
        }
    }
}