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(){
XmlTextWriter w = new XmlTextWriter(Console.Out);
w.WriteStartElement("root");
w.WriteAttributeString("xmlns", "x", null, "urn:1");
w.WriteStartElement("item","urn:1");
w.WriteEndElement();
w.WriteStartElement("item","urn:1");
w.WriteEndElement();
w.WriteEndElement();
}
}