using System;

namespace OnTimefortheExam
{
    class Program
    {
        static void Main(string[] args)
        {
            var hourExam = int.Parse(Console.ReadLine());
            var minExam = int.Parse(Console.ReadLine());
            var hourArrival = int.Parse(Console.ReadLine());
            var minArrival = int.Parse(Console.ReadLine());

            double minExamConvertor = hourExam * 60 + minExam;
            double minArrivalConvertor = hourArrival * 60 + minArrival;

            double lateHour = 0;
            double lateMin = 0;
            double earlyHour = 0;
            double earlyMin = 0;
            double lateMin2 = 0;
            double earlyMin2 = 0;
            double onTimeMin = 0;

            if (minArrivalConvertor > minExamConvertor)
            {
                Console.WriteLine("Late");
                if (minArrivalConvertor - minExamConvertor > 59)
                {
                    lateHour = Math.Truncate((minArrivalConvertor - minExamConvertor) / 60);
                    lateMin = minArrivalConvertor - minExamConvertor - (lateHour * 60);
                    if (lateMin < 10)
                    {
                        Console.WriteLine("{0}:0{1} hours after the start", lateHour, lateMin);
                    }
                    else
                    {
                        Console.WriteLine("{0}:{1} hours after the start", lateHour, lateMin);
                    }
                }
                else
                {
                    lateMin2 = minArrivalConvertor - minExamConvertor;
                    if (lateMin2 < 10)
                    {
                        Console.WriteLine("{0} minutes after the start", lateMin2);
                    }
                    else
                    {
                        Console.WriteLine("{0} minutes after the start", lateMin2);
                    }
                }
            }
            else if (minExamConvertor > minArrivalConvertor + 30)
            {
                Console.WriteLine("Early");
                if (minExamConvertor - minArrivalConvertor > 59)
                {
                    earlyHour = Math.Truncate((minExamConvertor - minArrivalConvertor) / 60);
                    earlyMin = minExamConvertor - minArrivalConvertor - earlyHour * 60;
                    if (earlyMin < 10)
                    {
                        Console.WriteLine("{0}:0{1} hours before the start", earlyHour, earlyMin);
                    }
                    else
                    {
                        Console.WriteLine("{0}:{1} hours before the start", earlyHour, earlyMin);
                    }
                }
                else
                {
                    earlyMin2 = minExamConvertor - minArrivalConvertor;

                    Console.WriteLine("{0} minutes before the start", earlyMin2);
                }
            }
            else if (minArrivalConvertor < minExamConvertor)
            {
                onTimeMin = minExamConvertor - minArrivalConvertor;
                Console.WriteLine("On time");
                Console.WriteLine("{0} minutes before the start", onTimeMin);
            }
            else if (minArrivalConvertor == minExamConvertor)
            {
                Console.WriteLine("On time");
            }
        }
    }
}