parsing - index.php error Parse error: syntax error, unexpected '

server PHP version is 5.4.43

The complete error reads:

Parse error: syntax error, unexpected '<', expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /home/public_html/index.php on line 40

Here is entire code of index.php file:

/**
 * @package    Joomla.Site
 *
 * @copyright  Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt

 */

/**
 * Define the application's minimum supported PHP version as a constant so it can be referenced within the application.
 */
define('JOOMLA_MINIMUM_PHP', '5.3.10');

if (version_compare(PHP_VERSION, JOOMLA_MINIMUM_PHP, '<'))
{
    die('Your host needs to use PHP ' . JOOMLA_MINIMUM_PHP . ' or higher to run this version of Joomla!');

}

/**
 * Constant that is checked in included files to prevent direct access.
 * define() is used in the installation folder rather than "const" to not error for PHP 5.2 and lower
 */
define('_JEXEC', 1);

if (file_exists(__DIR__ . '/defines.php'))
{

    include_once __DIR__ . '/defines.php';
}

if (!defined('_JDEFINES'))
{
    define('JPATH_BASE', __DIR__);
    require_once JPATH_BASE . '/includes/defines.php';
}

require_once JPATH_BASE . '/includes/framework.php';


// Mark afterLoad in the profiler.
JDEBUG ? $_PROFILER->
mark('afterLoad') : null;

  // Instantiate the application.
  $app = JFactory::getApplication('site');

  // Execute the application.
  $app->execute();