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);
Double price = 1.5;
w.WriteElementString("price", XmlConvert.ToString(price));
}
}