TsvetelinaPasheva/ConditionalStatementsExercise/05.Time+15 Minutes

using System;

namespace ConsoleApp12
{
    class Program
    {
        static void Main(string[] args)
        {
            int hour = int.Parse(Console.ReadLine());
            int minutes = int.Parse(Console.ReadLine());

            minutes += 15;

            if (minutes >= 60)
            {
                hour += 1;
                minutes -= 60;
            }

            if (hour == 24)
            {
                hour = 0;
            }

            if (minutes < 10)
            {
                Console.WriteLine($"{hour}:{minutes:d2}");
            }
            else
            {
                Console.WriteLine($"{hour}:{minutes}");
            }


        }
    }
}