using System;

using static System.Console;

using System.Globalization;

public class Program {

    public static void Main() {

        WriteLine(DateTime.ParseExact("03/16/2016 04:09:16.936", "MM/dd/yyyy HH:mm:ss.fff", CultureInfo.InvariantCulture));

        WriteLine(DateTime.Parse("03/16/2016 04:09:16.936", new CultureInfo("en-US")));

    }

}