using System;

namespace Exam9
{
    class Program
    {
        static void Main(string[] args)
        {
            int hourOfExam = int.Parse(Console.ReadLine());
            int minutesOfExam = int.Parse(Console.ReadLine());
            int hourOfArrival = int.Parse(Console.ReadLine());
            int minutesOfArrival = int.Parse(Console.ReadLine());

            int totalExamMinutes = hourOfExam * 60 + minutesOfExam;
            int totalArrivalMinutes = hourOfArrival * 60 + minutesOfArrival;
            int difference = Math.Abs(totalExamMinutes - totalArrivalMinutes);
            int differenceHour = difference / 60;
            int differenceMinutes = difference % 60;

            if (totalArrivalMinutes > totalExamMinutes)
            {
                Console.WriteLine("Late");
                if (difference < 60)
                {
                    Console.WriteLine($"{differenceMinutes} minutes after the start");
                }
                else if (difference >= 60)
                {
                    Console.WriteLine($"{differenceHour}:{differenceMinutes:D2} hours after the start");
                }
            }
            else if (totalArrivalMinutes == totalExamMinutes || difference <= 30)
            {
                Console.WriteLine("On time");
                if (difference <= 30)
                {
                    Console.WriteLine($"{differenceMinutes} minutes before the start");
                }
            }
            else if (difference > 30)
            {
                Console.WriteLine("Early");
                if (difference < 60)
                {
                    Console.WriteLine($"{differenceMinutes} minutes before the start");
                }
                else if (difference >= 60)
                {
                    Console.WriteLine($"{differenceHour}:{differenceMinutes:D2} hours before the start");
                }
            }

        }
    }
}