using System;

public class Program

{

    public static void Main()

    {

​

        int hExamp = int.Parse(Console.ReadLine()); // 0-23

        int mExamp = int.Parse(Console.ReadLine()); // 0-59

        int hArived = int.Parse(Console.ReadLine()); // 0-23

        int mArived = int.Parse(Console.ReadLine()); // 0-59

        if (hExamp == 0) hExamp = 24;

        if (hArived == 0) hArived = 24;

        int examp = hExamp * 60 + mExamp;

        int arived = hArived *60 + mArived;

        int delay = examp - arived;

        if (0 <= delay && delay <= 30)

        {

            Console.WriteLine("On time");

        }

        else if (30 < delay)

        {

            Console.WriteLine("Early");

        }

        else if (delay < 0 && delay <30)

        {

            Console.WriteLine("Late");

        }

    //Console.WriteLine(delay);

        if (delay > 0 && delay < 59)

        {

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

        }

        else if (delay >= 60)

        {

            Console.WriteLine($"{hExamp - hArived}:{(mExamp - mArived):d2} hours before the start");

        }

        else if(0 > delay && delay >= -59)

        {

            Console.WriteLine($"{Math.Abs(delay)} minutes after the start");

        }

        else if(0 > delay && delay <= -60)

        {       

            Console.WriteLine($"{hArived - hExamp}:{(mArived - mExamp):d2} hours after the start");

        }

​

    }

​

}