import requests

def submit(flags):
    flag_responses = requests.post('http://example.ctf/flags', json=flags).json()
    accepted_flags = { item['flag']: item['response'] for item in flag_responses if item['response'].endswith('OK') }
    rejected_flags = { item['flag']: item['response'] for item in flag_responses if not item['response'].endswith('OK') }
    return accepted_flags, rejected_flags