import hmac
import hashlib


def first_two(server_seed, client_seed, nonce):
    server_seed = server_seed.encode('utf-8')
    msg = '%s:%d' % (client_seed, nonce)
    h = hmac.new(server_seed, msg.encode('utf-8'), hashlib.sha512)
    return int(h.hexdigest()[:2], 16)

server_seed = 'abcde'
user_seed = '12345'
nonce = 1
rounds = 1000000

output = open('out.txt', 'w')
for i in range(rounds):
     output.write('%d\n' % first_two(server_seed, user_seed, nonce))
     nonce += 1