#! /usr/bin/python
import sys
truc = map(lambda x: x.split(), sys.stdin.readlines())
truc = map(None, truc[0], truc[1])
sys.stdout.writelines(map(lambda x:'%s\n'%' '.join(x),truc))
---------------
« No question is too silly to ask, but, of course, some are too silly to answer. » -- Perl book