using System;

class onTimeForExam
{
    static void Main(string[] args)
    {
        var examStartHour = int.Parse(Console.ReadLine());
        var examStartMins = int.Parse(Console.ReadLine());
        var comingHour = int.Parse(Console.ReadLine());
        var comingMins = int.Parse(Console.ReadLine());
        string onTime = "On time";
        string early = "Early";
        string late = "late";
        var hoursToMinsComeTime = (60 * comingHour);
        var minsToMinsComeTime = comingMins;
        var allMinsCome = (hoursToMinsComeTime + minsToMinsComeTime);
        var hoursToMinsStartTime = (60 * examStartHour);
        var minsToMinsStartTime = examStartMins;
        var allMinsStart = (hoursToMinsStartTime + minsToMinsStartTime);
        var hoursForSepLate = (allMinsCome - allMinsStart) / 60;
        var minsForSepLate = (allMinsCome - allMinsStart) % 60;
        var hoursForSepOnTime = (allMinsStart - allMinsCome) / 60;
        var minsForSepOnTime = (allMinsStart - allMinsCome) % 60;
        if (examStartHour >= 0 &&
            examStartHour < 24 &&
            examStartMins >= 0 &&
            examStartMins < 60 &&
            comingHour >= 0 &&
            comingHour < 24 &&
            comingMins >= 0 &&
            comingMins < 60)
        {
            if (allMinsStart >= allMinsCome)
            {
                if ((allMinsStart - allMinsCome) <= 30)
                {
                    Console.WriteLine(onTime);
                }
                else
                {
                    Console.WriteLine(early);
                }
                if ((allMinsStart - allMinsCome) < 60)
                {
                    Console.WriteLine($"{minsForSepOnTime} minutes before the start");
                }
                else
                {
                    Console.WriteLine($"{hoursForSepOnTime}:{minsForSepOnTime:d2} hours before the start");
                }
            }
            if (allMinsStart < allMinsCome)
            {
                Console.WriteLine(late);
                if ((allMinsCome - allMinsStart) < 60)
                {
                    Console.WriteLine($"{minsForSepLate:d2} minutes after the start");
                }
                else
                {
                    Console.WriteLine($"{hoursForSepLate}:{minsForSepLate:d2} hours after the start");
                }
            }
        }
    }
}