xml version database goods num num price 1000 price availability avail

<?xml version="1.0"?>
<database>
  <goods>
    <num>1</num>
    <price>1000</price>
    <availability>1</availability>
  </goods>
  <goods>
    <num>2</num>
    <price>2000</price>
    <availability>1</availability>
  </goods>
  <goods>
    <num>3</num>
    <price>3000</price>
    <availability>0</availability>
  </goods>
</database>