import sys
from xml.etree import cElementTree as etree
input_file = sys.stdin
context = iter(etree.iterparse(input_file, events=('start', 'end')))
_, root = next(context) # get root element
for event, elem in context:
if event == 'end' and elem.tag == 'build_location':
print(elem.text)
root.clear() # free memory
aW1wb3J0IHN5cwpmcm9tIHhtbC5ldHJlZSBpbXBvcnQgY0VsZW1lbnRUcmVlIGFzIGV0cmVlCgppbnB1dF9maWxlID0gc3lzLnN0ZGluCmNvbnRleHQgPSBpdGVyKGV0cmVlLml0ZXJwYXJzZShpbnB1dF9maWxlLCBldmVudHM9KCdzdGFydCcsICdlbmQnKSkpCl8sIHJvb3QgPSBuZXh0KGNvbnRleHQpICMgZ2V0IHJvb3QgZWxlbWVudApmb3IgZXZlbnQsIGVsZW0gaW4gY29udGV4dDoKICAgIGlmIGV2ZW50ID09ICdlbmQnIGFuZCBlbGVtLnRhZyA9PSAnYnVpbGRfbG9jYXRpb24nOgogICAgICAgcHJpbnQoZWxlbS50ZXh0KQogICAgICAgcm9vdC5jbGVhcigpICMgZnJlZSBtZW1vcnkK