P, Q = map(int, input().split())

ans_list = []

for N in range(1, 2 * 10 ** 8 + 5):
    if Q - P * N != 0:
        if (-N * Q) % (Q - P * N) == 0:
            M = (-N * Q) // (Q - P * N)
            if M > 0:
                ans_list.append((N, M))


print(len(ans_list))
for t in ans_list:
    print(*t)