#!/usr/bin/env python3.1

import sys

fp = open(sys.argv[1], "rt", encoding="utf-8")
fp1 = open("out1.tmp", "wt", encoding="utf-8")
fp2 = open("out2.tmp", "wt", encoding="utf-8")
odd = False
for line in fp:
    odd = not odd
    if odd:
        fp1.write(line)
    else:
        fp2.write(line)
fp2.close()
fp1.close()
fp.close()