## https://yukicoder.me/problems/no/2125

import math

def main():
    P, Q = map(int, input().split())

    sqrt_q = int(math.sqrt(Q))

    answers = set()
    for n in range(1, max(10, sqrt_q) + 1):
        x = Q * n
        y = P * n - Q
        if y > 0 and x % y == 0:
            z = x // y
            answers.add((n, z))
            answers.add((z, n))
    
    
    print(len(answers))
    for ans in answers:
        print(f"{ans[0]} {ans[1]}")


    



if __name__ == "__main__":
    main()