#!/usr/bin/python

import random, sys

random.seed()
for date in sys.argv[1:]:
    n = random.randint(0, 1000)
    s = "%s%03d" % (date, n)
    t = "0123456789ABCDEFHJKLMNPRSTUVWXY"[int(s) % 31]
    print "%s-%03d%s" % (date, n, t)