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<?php define('__FLAG__','3xZG{dgznclXAwFVCUHPMWFViZBDSsltxKdrvFBVYHSr1}'); function stypr_crypt($i){$_1 = $_2 = $_3 = Array(); $_4 =Array('?','(','@', ';', '$','#', ']', '&', '*'); range(range($_4,'a','z'),'A','Z');} if(__FLAG__ === stypr_crypt(stypr_crypt(stypr_crypt($_GET['flag'])))) echo 'Correct!'; else echo 'Incorrect..'; ?>

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