6일차 알람 45분 일찍 맞추기

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Syntax15
{
    class Program
    {
        static void Main(string[] args)
        {
            for (; ; )
            {
                int hour = Int32.Parse(Console.ReadLine());
                int minute = Int32.Parse(Console.ReadLine());
 
 
                int sumOfTime = hour * 60 + minute;
 
                int alarmTime = sumOfTime - 45;
                //Console.WriteLine(alarmTime);
                int alarmHour = alarmTime / 60;
                //Console.WriteLine(alaramHour);
                int alarmMinute = alarmTime % 60;
                //Console.WriteLine(alarmMinute);
 
                if (alarmTime < 0)
                {
                    alarmHour = 23;
                    alarmMinute = 60 + alarmMinute;
                }
 
                Console.WriteLine($"{alarmHour}, {alarmMinute}");
            }
 
        }
    }
}