using System;
using System.Globalization;

public class Test
{
	public static void Main()
	{
		var date = DateTime.ParseExact(
			"Mon Jan 13 2014 00:00:00 GMT+0000 (GMT Standard Time)",
			"ddd MMM dd yyyy HH:mm:ss 'GMT+0000 (GMT Standard Time)'",
			CultureInfo.InvariantCulture);
		Console.WriteLine(date.ToString("yyyy-MM-dd"));
	}
}