import sys, time, random
from collections import deque, Counter, defaultdict
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353
from math import gcd
B, C = mi()

S = set()

ans = 0
for a in range(0, B):
    for b in range(0, B):
        if gcd(a, B) != 1 or b % C != 0 or (a, b) in S:
            continue
        ans += 1
        for a1 in range(0, B):
            for b1 in range(0, B):
                if gcd(a1, B) == 1 and b1 % C == 0:
                    a2 = a
                    b2 = (B - b1 * (a * b1 + b) * pow(a1, B - 2, B)) % B
                    S.add((a2, b2))

print(ans if ans <= 100 else '100+')