# The following code contains two semantic errors. Correct it so that it reads in integers until the user enters -1, and then prints the sum of the integers (8 points)

def getLines():
    inputs = []
    while True:
        line = raw_input('Enter a positive integer, -1 to quit: ')
        if line == -1:
            break
        inputs.append(line)
total = 0
for e in getLines():
    total += e
print total