<?php
function cb($a){
$num = $a[1];
return "&#$dec;";
}
echo $ustr;
?>
PD9waHAKCWZ1bmN0aW9uIGNiKCRhKXsKICAgICAgICAkbnVtID0gJGFbMV07CiAgICAgICAgJGRlYyA9IGhleGRlYygkbnVtKTsKICAgICAgICByZXR1cm4gIiYjJGRlYzsiOwp9CiRlbnQgPSBwcmVnX3JlcGxhY2VfY2FsbGJhY2soIi9cXFxceFx7KFtcZGEtel0rKVx9L2kiLCAnY2InLCAiXHh7MmZ9LCBceHszMjUxfSIpOwokdXN0ciA9IGh0bWxfZW50aXR5X2RlY29kZSgkZW50LCBFTlRfTk9RVU9URVMsICdVVEYtOCcpOwplY2hvICR1c3RyOwoKPz4=