using System;

namespace Journey
{
    class Program
    {
        static void Main(string[] args)
        {
            int examHour = int.Parse(Console.ReadLine());
            int examMinutes = int.Parse(Console.ReadLine());
            int timeCome = int.Parse(Console.ReadLine());
            int minutesCome = int.Parse(Console.ReadLine());

            int totalExamHour = (examHour * 60) + examMinutes;
            int totalTimeCome = (timeCome * 60) + minutesCome;
            int minutesLate = 0;
            int minutesEarly = 0;

            if (totalExamHour < totalTimeCome)
            {
                minutesLate = totalTimeCome - totalExamHour;
                Console.WriteLine("Late");
                if (minutesLate < 60)
                {
                    Console.WriteLine($"{minutesLate} minutes after the start");
                }
                else
                {
                    Console.WriteLine($"{minutesLate / 60}:{minutesLate - 60:d2} hours after the start");
                }
            }
            else if (totalExamHour > totalTimeCome || totalTimeCome - totalExamHour <= 30)
            {
                minutesEarly = totalExamHour - totalTimeCome;

                if (minutesEarly == 0)
                {
                    Console.WriteLine("On time");
                }
                else if (minutesEarly <= 30)
                {
                    Console.WriteLine("On time");
                    Console.WriteLine($"{minutesEarly} minutes before the start");
                }
                else if (minutesEarly < 60)
                {
                    Console.WriteLine("Early");
                    Console.WriteLine($"{minutesEarly} minutes before the start");
                }
                else
                {

                    Console.WriteLine("Early");
                    Console.WriteLine($"{minutesEarly / 60}:{minutesEarly % 60:d2} hours before the start");
                }
            }

        }
    }
}