#!/usr/local/bin/python

import os, string, sys

exists = {}

while 1:
    line = sys.stdin.readline()
    if not line: break
    fn = "axfr." + string.rstrip(string.lower(line))
    try:
        os.stat(fn)
    except OSError:
        print "Adding",fn
        f = open(fn, "a")
        f.close()
    exists[fn] = 1

dir = os.listdir(".")

if len(exists) < len(dir) * 9 / 10:
    print "I've been requested to delete more than 1/10th of existing domains."
    print "That can't be right.  I'm exiting."
    sys.exit(0)

for fn in dir:
    if not exists.has_key(fn):
        print "Removing",fn
        os.unlink(fn)