за Мими exam time

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

namespace _07.On_Time_for_the_Exam
{
    class Program
    {
        static void Main(string[] args)
        {
            int examTimeHour = int.Parse(Console.ReadLine());
            int examTimeMinute = int.Parse(Console.ReadLine());
            int arrivalTimeHour = int.Parse(Console.ReadLine());
            int arrivalTimeMinute = int.Parse(Console.ReadLine());

            int examTimeOnlyMinutes = (examTimeHour * 60) + examTimeMinute;
            int arrivalTimeOnlyMinutes = (arrivalTimeHour * 60) + arrivalTimeMinute;

            if ((examTimeOnlyMinutes > arrivalTimeOnlyMinutes) && (examTimeOnlyMinutes - arrivalTimeOnlyMinutes > 30))
            {
                int tooEarlyMinutes = examTimeOnlyMinutes - arrivalTimeOnlyMinutes;
                int tooEarlyHours = 0;
                int tooEarlyMinutes1 = 0;
                if (tooEarlyMinutes > 59)
                {
                    tooEarlyHours = tooEarlyMinutes / 60;
                    tooEarlyMinutes1 = tooEarlyMinutes % 60;
                    if (tooEarlyMinutes1 <= 9)
                    {
                        Console.WriteLine("Early");
                        Console.WriteLine($"{tooEarlyHours}:0{tooEarlyMinutes1} hours before the start");
                    }
                    else
                    {
                        Console.WriteLine("Early");
                        Console.WriteLine($"{tooEarlyHours}:{tooEarlyMinutes1} hours before the start");
                    }
                }
                else
                {
                    Console.WriteLine("Early");
                    Console.WriteLine($"{tooEarlyMinutes} minutes before the start");
                }
            }

            else if ((examTimeOnlyMinutes > arrivalTimeOnlyMinutes) && (examTimeOnlyMinutes - arrivalTimeOnlyMinutes <= 30))
            {
                Console.WriteLine("On time");
                Console.WriteLine($"{examTimeOnlyMinutes - arrivalTimeOnlyMinutes} minutes before the start");
            }
            else if (examTimeOnlyMinutes - arrivalTimeOnlyMinutes == 0)
            {
                Console.WriteLine("On time");
            }
            else if (examTimeOnlyMinutes < arrivalTimeOnlyMinutes && (examTimeOnlyMinutes - arrivalTimeOnlyMinutes <= 30))
            {
                int tooLateMinutes = arrivalTimeOnlyMinutes - examTimeOnlyMinutes;
                int tooLateHours = 0;
                int tooLateMinutes1 = 0;
                if (tooLateMinutes > 59)
                {
                    tooLateHours = tooLateMinutes / 60;
                    tooLateMinutes1 = tooLateMinutes % 60;
                    if (tooLateMinutes1 <= 9)
                    {
                        Console.WriteLine("Late");
                        Console.WriteLine($"{tooLateHours}:0{tooLateMinutes1} hours after the start");
                    }
                    else
                    {
                        Console.WriteLine("Late");
                        Console.WriteLine($"{tooLateHours}:{tooLateMinutes1} hours after the start");
                    }
                }
                else
                {
                    Console.WriteLine("Late");
                    Console.WriteLine($"{tooLateMinutes} minutes after the start");
                }
            }
        }
    }
}