import math

p,q = map(int,input().split())
g = math.gcd(p,q)
p //= g
q //= g

ans = set()

for i in range(1,10**5):
    if p*i-q <= 0:
        continue

    if q*i%(p*i-q) == 0:
        m = q*i // (p*i-q)
        ans.add((i,m))
        ans.add((m,i))

print(len(ans))
for i in sorted(ans):
    print(*i)