using System;
using System.Linq;

class Program
{
    static void Main()
    {
        var timeLeaving = Console.ReadLine().Split(':').Select(int.Parse).ToArray();
        long seconds = timeLeaving[2] + 60 * timeLeaving[1] + 60 * 60 * timeLeaving[0];
        var secondsToAdd =
            long.Parse(Console.ReadLine()) *
            long.Parse(Console.ReadLine());
        seconds = 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);
    }
}