import urllib
import json



address = raw_input('Enter location: ')
print 'Retrieving', address
uh = urllib.urlopen(address)
data = uh.read()
dic= json.loads(data)
print 'Retrieved',len(dic),'characters'

sumOfNum = 0
for current in dic["comments"]:
	sumOfNum = sumOfNum + current['count']
print sumOfNum