using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace On_Time_For_Exam
{
    class Program
    {
        static void Main(string[] args)
        {
            var ExamHour = int.Parse(Console.ReadLine());
            var ExamMinutes = int.Parse(Console.ReadLine());
            var ArrivalHour = int.Parse(Console.ReadLine());
            var ArrivalMinutes = int.Parse(Console.ReadLine());
            var ExamTime = ExamHour * 60 + ExamMinutes;
            var ArrivalTime = ArrivalHour * 60 + ArrivalMinutes;
            var MinutesDifference = ExamTime - ArrivalTime;

            if (MinutesDifference>=0 && MinutesDifference<=30)
            {
                Console.WriteLine("On time");
                if (MinutesDifference == 0)
                {

                }
                else
                {
                    Console.WriteLine($"{MinutesDifference} minutes before the start");
                }

            }
            else if (MinutesDifference<0)
            {
                Console.WriteLine("Late");
                if (MinutesDifference<=-60)
                {
                    Console.WriteLine($"{(-MinutesDifference)/60}:{(-MinutesDifference)%60} hours after the start");
                }
                else
                {
                    Console.WriteLine($"{-MinutesDifference} minutes after the start");
                }
            }
            else
            {
                Console.WriteLine("Early");
                if (MinutesDifference>=60)
                {
                    Console.WriteLine($"{MinutesDifference/60} {MinutesDifference%60:d2} hours before the start");
                }
                else
                {
                    Console.WriteLine($"{MinutesDifference} minutes before the start");
                }
            }
        }
    }
}