<!doctype html><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale"><meta http-equiv=X-UA-Compatible content="IE=edge"><title>CAPTCHA</title><h1>CAPTCHA</h1><form onsubmit="return yes()"><p>9 + 10 = <input type=number></p><p><input type=submit value="&nbsp; OK &nbsp;"></p></form><address>based on szy&#39;s captcha thing from the worthless writeup library</address><script> function yes() { var val = document.forms[0].elements[0].value; if(window.encodeURIComponent) val = encodeURIComponent(val); document.cookie = "pii_captcha=" + val + ";max-age=31536000;expires=Tue, 19 Jan 2038 03:14:08 GMT;path=/"; location.reload(); return false;}</script>