#!/usr/pkg/bin/python3.13

import sys
import time

messages = [
    'announce eor',
    'announce eor ipv6 unicast',
    'announce eor ipv4 unicast',
]

time.sleep(2)

while messages:
    message = messages.pop(0)
    sys.stdout.write(message + '\n')
    sys.stdout.flush()
    time.sleep(1)

try:
    now = time.time()
    while True and time.time() < now + 5:
        line = sys.stdin.readline().strip()
        if not line or 'shutdown' in line:
            break
        time.sleep(1)
except IOError:
    pass
