On Time For Exam 87/100

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

namespace DomashnoOnTimeForTheExam
{
    class Program
    {
        static void Main(string[] args)
        {
            // get input --> int hourExam; int minuteExam; int hourArive; int minuteArive;

            int hourExam = int.Parse(Console.ReadLine());
            int minuteExam = int.Parse(Console.ReadLine());
            int hourArive = int.Parse(Console.ReadLine());
            int minuteArive = int.Parse(Console.ReadLine());

            // decide if late, on time or early

            string lateTimeEarly = "0";
            double minutesDifference = (hourExam * 60 + minuteExam) - (hourArive * 60 + minuteArive);

            if (hourExam == hourArive && minuteExam == minuteArive)
            {
                lateTimeEarly = "onTimeExactly";
            }
            else if (minutesDifference > 0 && minutesDifference <= 30)
            {
                lateTimeEarly = "onTime";
            }
            else if (minutesDifference > 30)
            {
                lateTimeEarly = "early";
            }
            else
            {
                lateTimeEarly = "late";
            }

            // set firstRowToPrint

            string firstRowToPrint = "0";

            switch (lateTimeEarly)
            {
                case "onTimeExactly":
                case "onTime":
                    firstRowToPrint = "On time";
                    break;
                case "early":
                    firstRowToPrint = "Early";
                    break;
                case "late":
                    firstRowToPrint = "Late";
                    break;

            }

            Console.WriteLine(firstRowToPrint);

            // if function with if <-1 if he is late and else if >1 if he is early and set print for second row

            if (minutesDifference < -1)
            {
                if (minutesDifference > -60)
                {
                    double minutesToPrint = Math.Abs(minutesDifference);
                    Console.WriteLine($"{minutesToPrint} minutes after the start");
                }
                else if (minutesDifference <= -60)
                {
                    double hourToPrint = Math.Floor(Math.Abs(minutesDifference) / 60);
                    double minutesToPrint = Math.Abs(minutesDifference) % 60;
                    if (minutesToPrint >= 0 && minutesToPrint <= 9)
                    {
                        Console.WriteLine($"{hourToPrint}:0{minutesToPrint} hours after the start");
                    }
                    else
                    {
                        Console.WriteLine($"{hourToPrint}:{minutesToPrint} hours after the start");
                    }
                }
            }
            else if (minutesDifference > 1)
            {
                if (minutesDifference < 60)
                {
                    double minutesToPrint = minutesDifference;
                    Console.WriteLine($"{minutesToPrint} minutes before the start");
                }
                else if (minutesDifference >= 60)
                {
                    double hourToPrint = Math.Floor(minutesDifference / 60);
                    double minutesToPrint = minutesDifference % 60;
                    if (minutesToPrint >= 0 && minutesToPrint <= 9)
                    {
                        Console.WriteLine($"{hourToPrint}:0{minutesToPrint} hours before the start");
                    }
                    else
                    {
                        Console.WriteLine($"{hourToPrint}:{minutesToPrint} hours before the start");
                    }
                }
            }

            // decide if he is late or early
            // calculate with how many hours and how many minutes
            // set secondRowToPrint
            // print secondRow

        }
    }
}