EXAM*01.SinoTheWalker

namespace Exam
{
    using System;
    using System.Linq;

    public class SinoTheWalker
    {
        static void Main()
        {
            var nums = Console.ReadLine().Split(':').Select(int.Parse).ToArray();
            long seconds = nums[2] + 60 * nums[1] + 3600 * nums[0];
            long secondsToAdd = long.Parse(Console.ReadLine()) * long.Parse(Console.ReadLine());
            seconds += secondsToAdd;
            var secs = seconds % 60;
            var mins = (seconds / 60) % 60;
            var hours = (seconds / 60 / 60) % 24;

            Console.WriteLine("Time Arrival: {0:d2}:{1:d2}:{2:d2}", hours, mins, secs);
        }
    }
}