using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var startDate = DateTime.Parse("9/22/2018 6:38:25 AM");

        var valueT = TimeSpan.Parse("10.11:51:35");

        var newDate = startDate.Add(valueT);

        Console.WriteLine("NewDate: {0}", newDate);

    }

}