N20_6647

def f(x,y,k):
    now = k - 1
    if x * y >= 123:
        if now == 3:
            return 1
        elif now < 3:
            return 0
    elif now == 3: #and x*y < 123
        return 0
    A = f(x + 2, y, k + 1)
    B = f(2*x, y, k + 1)
    C = f(x,y + 2, k + 1)
    D = f(x, y*2, k + 1)
    if k % 2 == 0:
        return A and B and C and D
    else:
        return A or B or C or D

a = []
s = 1
for s in range(40, 0, -1):
    if len(a) == 2:
        break
    if f(3, s, 1):
        a.append(s)
print(a)