P,Q = map(int,input().split())
import sys
if P == Q + Q:
    print(1)
    print(2,2)
    exit()
if P > Q + Q:
    print(0)
    exit()
if P == Q:
    print(1)
    print(2,2)
    exit()
if P > Q:
    P -= Q
    if Q % P == 0:
        print(2)
        print(1,Q // P)
        print(Q // P,1)
        exit()
    else:
        print(0)
        exit()
ans = []
inf = 10 ** 5
q = 1
while q * q <= Q:
    if Q % q == 0:
        r = Q // q
        a = q * P - Q
        b = Q * q
        if a > 0 and b % a == 0:
            ans.append((q,b // a))
        if r != q:
            a = r * P - Q
            b = Q * r
            if a > 0 and b % a == 0:
                ans.append((r,b // a))
    q += 1
ans.sort()
print(len(ans))
for a,b in ans:
    print(a,b)