json

#!/usr/bin/env python

import fileinput
import json
from pprint import pprint

for line in fileinput.input():
    if not line.startswith(("{", "[")):
        print(line.strip())
    else:
        #pprint(json.loads(line))
        print(json.dumps(json.loads(line), indent=4, separators=(',', ': ')))