import urllib

'Find out how much the Earth slowed down between 1821 and 1970.'

if __name__ == '__main__':
    url = 'http://www.cs.toronto.edu/~pgries/pybook/data/TSDL/andrews5.dat.txt'

    data = urllib.urlopen(url)
    total = 0
    for line in data:
        values = line.split()
        for num in values:
            total = total + int(num)

    data.close()
    print total