using System;
namespace y
{
    class Program
    {
        static void Main(string[] args)
        {
            var ss = Console.ReadLine().Split();
            var d = new DateTime(2018, 7, 16, int.Parse(ss[0]), int.Parse(ss[1]), 0);
            var s = ss[2].Substring(ss[2].IndexOf("UTC") + 3);
            int h = 0;
            int m = 0;
            h = int.Parse(s.Split('.')[0]);
            if (s.Contains(".")) m = 30;
            var t = new TimeSpan(h - 9, m, 0);
            var ans = d + t;
            Console.WriteLine("{0}:{1}", ans.Hour.ToString("00"), ans.Minute.ToString("00"));
        }
    }
}