<kspalaiologos> le//rn bfasm //The brainfuck assembler. Documentation and samples: https://raw.githubusercontent.com/KrzysztofSzewczyk/asmbf/master/doc/bfasm.doc

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