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

namespace On_Time_for_the_Exam
{
    class Program
    {
        static void Main(string[] args)
        {
            int hoursExam = int.Parse(Console.ReadLine());
            int minutesExam = int.Parse(Console.ReadLine());
            int hoursArrive = int.Parse(Console.ReadLine());
            int minutesArrive = int.Parse(Console.ReadLine());

            var timeExam = hoursExam * 60 + minutesExam;
            var timeArrive = hoursArrive * 60 + minutesArrive;
            var timeDiff = Math.Abs(timeExam - timeArrive);
            var hourDiff = timeDiff / 60;
            var minutesDiff = timeDiff % 60;

            if (timeArrive > timeExam)
            {
                Console.WriteLine("Late");
                if (timeDiff < 60)
                { Console.WriteLine("{0} minutes after the start", timeDiff); }

                else
                { Console.WriteLine("{0}:{1:D2} hours after the start", hourDiff, minutesDiff); }
            }


            else if ((timeExam - timeArrive) >= 0 && (timeExam - timeArrive) <= 30)
            {
                Console.WriteLine("On time");
                Console.WriteLine("{0} minutes before the start", timeDiff);
            }


            else if ((timeExam - timeArrive) > 30)
            {
                Console.WriteLine("Early");

                if (timeDiff < 60)
                { Console.WriteLine("{0} minutes before the start", timeDiff); }

                else
                { Console.WriteLine("{0}:{1:D2} hours before the start", hourDiff, minutesDiff); }
            }
        }
    }
}