new_contents: def main():
      inp = sys.stdin.read().strip().split('-')
      try:
          inp[1] = 'post%03d' % int(inp[1])
      except IndexError:
          pass
      print('.'.join(inp))
      return 0
  
  
  if __name__ == '__main__':
      import sys
      sys.exit(main())
  
subject: Add version.py