<!DOCTYPE html><html><head><title>CAPTCHA</title></head><body><h1>CAPTCHA</h1><p>9 + 10 = <input type="number" id="n"></p><button onclick="yes();">OK</button><p style="font-style: italic; font-size: .9em">based on szy's captcha thing from the worthless writeup library</p><script>function yes() { document.cookie = "pii_captcha="+encodeURIComponent(n.value)+";max-age=31536000;path=/"; location.reload(); }</script></body></html>