using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
public static void Main() {
XNamespace nameSpace = "http://www.rntsoft.com";
XElement xBooks =
new XElement(nameSpace + "Books",
new XElement(nameSpace + "Book",
new XAttribute("type", "Author"),
new XElement(nameSpace + "FirstName", "J"),
new XElement(nameSpace + "LastName", "R")),
new XElement(nameSpace + "Book",
new XAttribute("type", "Author"),
new XElement(nameSpace + "FirstName", "E"),
new XElement(nameSpace + "LastName", "B")));
Console.WriteLine(xBooks.ToString());
}
}