def f(x, y, a):
    return (x > a) or (y > a) or (y - 2 * x + 12 != 0)
def g():
    for a in range(1, 10000):
        if all(f(x, y, a) == 1 for x in range(1000) for y in range(1000)):
            print(a)
g()