#!/usr/bin/python

import sys
import re

def encode (s):
	s = re.sub (r"[<+>\\uU]", " ", s)
	s = re.sub (r"0[xX]", " ", s)
	return u''.join (unichr (int (x, 16)) for x in re.split ('[, \n]', s) if len (x))

if __name__ == '__main__':

	if len (sys.argv) == 1 or ('--stdin' in sys.argv and len (sys.argv) != 2):
		print "Usage:\n  %s UNICODE_CODEPOINTS...\nor:\n  %s --stdin" % (sys.argv[0], sys.argv[0])
		sys.exit (1)

	if '--stdin' in sys.argv:
		sys.argv.remove ('--stdin')
		for line in sys.stdin.readlines ():
			print encode (line)
	else:
		print encode (','.join (sys.argv[1:]))