XMLRPC issue with Wordpress.com

$title = 'Awesome article';
$content = 'Lorem ipsum dolor sit amet...';
require_once APIS_PATH.'/MetaWebLogAPI.php';
$meta = new MetaWebLogAPI( 'hemantofearth.wordpress.com', '/xmlrpc.php', 1, 'hemant22', '********');
return $meta->Post( $title, $content );