How to get all the content types from the site using CSOM in SharePoint 2013

Namespaces:
using Microsoft.SharePoint.Client;
Assemblies:
Microsoft.SharePoint.Client.dll;
Microsoft.SharePoint.Client.RunTime.dll;
Code Snippet:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.SharePoint.Client;

namespace GetContentTypes
{
class Program
{
static void Main(string[] args)
{
//// String Variable to store the siteURL
string siteURL = "http://c4968397007/";

//// Get the context for the SharePoint Site to access the data
ClientContext clientContext = new ClientContext(siteURL);

//// Get the content type collection from the website
ContentTypeCollection contentTypeColl = clientContext.Web.ContentTypes;
clientContext.Load(contentTypeColl);
clientContext.ExecuteQuery();

//// Display the content type names that are available in the website
foreach (ContentType ct in contentTypeColl)
{
Console.WriteLine(ct.Name);
}
Console.ReadLine();
}
}
}