import random

def generateNumber():
    return random.randrange(-50, 50)

def askQuestion(n1, n2):
    question = "What is " + str(n1) + " + " + str(n2) + "? "
    input = raw_input(question)
    return input

def report(good, total):
    print "Thanks for playing, you got",
    reportScore(good, total)

def reportScore(good, total):
    print good, "out of", total,

def main():
    limit = 10
    (good, total) = (0, 0)
    while limit > 0:
        reportScore(good, total)
        n1 = generateNumber()
        n2 = generateNumber()
        answer = askQuestion(n1, n2)
        if answer == 'quit':
            break
        elif answer == 'hard':
            continue
        else:
            if int(answer) == n1 + n2:
                print "Very good."
                (good, total) = (good + 1, total + 1)
            else:
                print "Wrong, the correct answer was:", (n1+n2)
                total += 1
            limit = limit - 1
    report(good, total)

main()