#!/usr/bin/env python3
import re

import httpx

stream = httpx.stream(
    'GET',
    'https://ntfy.pyrocufflink.blue/chase2fa/raw',
    timeout=httpx.Timeout(5, read=None),
)
with stream as r:
    for line in r.iter_lines():
        line = line.strip()
        if not line:
            continue
        m = re.search(r'\d{4,}', line)
        if m:
            print(m.group(0))
            break