using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Xml.Linq;
using System.Xml;

namespace Xml36
{
    class Program
    {
        static void Main(string[] args)
        {
            XDocument xdoc = XDocument.Load("Wrd.xml");

            //IEnumerable<XElement> mas = from elm in xdoc.Root.Descendants() where el.Parent.Name == xdoc.Root.Name select elm;

                IEnumerable<XElement> mas = from ele in xdoc.Root.Descendants()  select ele;

            foreach (XElement ele in mas)
            {
                try
                {
                    if (ele.Parent.Parent.Name == xdoc.Root.Name)
                    {
                        {
                            int n = 0;
                            Console.WriteLine(ele.ToString());
                            IEnumerable<XElement> mas3 = from elem in ele.Descendants() select elem;


                            foreach (XElement elem in mas3)
                            {
                                n++;
                            }
                            XAttribute ndct = new XAttribute("node-count", n);
                            ele.Add(ndct);
                        }
                    }
                }
                catch { }
            }



            xdoc.Save("wrdd.xml");
            Console.ReadLine();
        }
    }
}