#! /usr/bin/python2

import sys
import xml.etree.ElementTree as et

def process(f):
    r = et.parse(f).getroot()
    tg = r.findall("./front/article-meta/title-group")
    at = tg[0].find("article-title")
    if at is not None:
        print "article-title:", "".join(at.itertext()).encode('utf-8')

for xmlf in sys.argv[1:]:
    f = open(xmlf, "rb")
    process(f)
    f.close()