using System;
using System.IO;
using System.Xml;
using System.Xml.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass{
public static void Main(){
XNamespace aw = "http://www.domain.com";
XElement root = new XElement(aw + "Root",
new XElement(aw + "Child")
);
Console.WriteLine(root);
}
}