#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
from nltk import ParentedTree
inputfile = sys.argv[1]
parses = open(inputfile, "r").read().split("\n\n")
for parse in parses:
t = ParentedTree(parse)
print(t._pprint_flat(nodesep="", parens="()", quotes=False))
