<?php
if(isset($_GET['dcma'])){
	$file = file_get_contents("dcma/" . str_replace("/","-",$_GET['dcma']));
	if($file){
		echo $file;
	}else{
		$file = file_get_contents("http://" . $_GET['dcma']);
		file_put_contents("dcma/" . str_replace("/","-",$_GET['dcma']), $file);
		echo $file;
	}
}
?>

echo array_sum(array_filter(range(0,100),create_function('$v','return $v%2==0?$v:null;'))).PHP_EOL;