using System;
using System.Text.RegularExpressions;

class Regexip {
	static void Main(string[] args)	{
		if (args.Length < 1) {
			Console.WriteLine("regexip <IP Address>");
		} else {
			Regex regex = new Regex(@"(\d+)\.(\d+)\.(\d+)\.(\d+)");
			Match m = regex.Match(args[0]);
			if (m.Success) {
				for (int i = 1; i < m.Groups.Count; i++) {
					Console.WriteLine("Groups[" + i + "] = " + m.Groups[i].Value);
				}
			}
		}
	}
}