<b_jonas> `` [[ 12529 == $(hg log --removed -l 1 -T "{rev}" /hackenv/wisdom/password) ]] && learn password \'The password of the month is consider us expert everything street.\'

#!/usr/bin/python
s=set()
try:
 while True:
  l=raw_input()
  if l not in s:
   s.add(l)
   print(l)
except EOFError:
 pass