text: #!/usr/bin/env python
  from __future__ import unicode_literals, print_function
  import unicodedata
  import json
  import sys
  for l in sys.stdin:
      l = json.loads(l)
      l = json.dumps(l, ensure_ascii=False)
      l = unicodedata.normalize('NFC', l)
      print(l.encode('utf-8'))
  