Exam Schedule

using System;

namespace ExamSchedule
{
    public class Program
    {
        public static void Main()
        {
            int hours = int.Parse(Console.ReadLine());
            int minutes = int.Parse(Console.ReadLine());
            string dayPart = Console.ReadLine();
            int hoursAdded = int.Parse(Console.ReadLine());
            int minutesAdded = int.Parse(Console.ReadLine());

            int result = (hours + hoursAdded) * 60 + minutes + minutesAdded;
            int totalHours = result / 60 % 24;
            int totalMinutes = result % 60;

            dayPart = totalHours >= 12 ? (dayPart == "AM" ? "PM" : "AM") : dayPart;
            totalHours -= totalHours > 12 ? 12 : 0;

            Console.WriteLine($"{totalHours:d2}:{totalMinutes:d2}:{dayPart}");
        }
    }
}