Sino-the-Walker

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

namespace Sino_the_Walker
{
    class Program
    {
        static void Main(string[] args)
        {
            long[] startTime = Console.ReadLine().Split(':').Select(long.Parse).ToArray();

            long hours = startTime[0];
            long minutes = startTime[1];
            long seconds = startTime[2];

            long steps = long.Parse(Console.ReadLine());
            int secondsPerStep = int.Parse(Console.ReadLine());

            long totalSecondsToWalk = steps * secondsPerStep;

            seconds += totalSecondsToWalk;

            hours += (long)(Math.Floor((double)(seconds / 3600)));
            seconds = seconds % 3600;
            minutes += (long)(Math.Floor((double)(seconds / 60)));
            seconds = seconds % 60;

            while (minutes >= 60)
            {
                hours++;
                minutes -= 60;
            }

            hours %= 24;

            Console.WriteLine("Time Arrival: {0}:{1}:{2}", hours.ToString().PadLeft(2, '0'), minutes.ToString().PadLeft(2, '0'), seconds.ToString().PadLeft(2, '0'));
        }
    }
}