R,O=range,print
B,C=map(int,input().split())
b,P,e,n=B,[],1,0
for i in R(2,B):
	if i*i>b:break
	if b%i<1:
		b,P,e,n=b//i,P+[i],e*i-e,n+1
		while b%i<1:b,e=b//i,e*i
if b>1:P,e,n=P+[b],e*b-e,n+1
u=[pow(i,e-1,B)for i in R(B)]
d=B//C
b=d*B
F=[0]*b
a=0
for i in R(b):
	if F[i]:continue
	q,r,c=i//d,i%d,1
	for p in P:c*=q%p
	if c<1:continue
	a+=1
	if a>100:O("100+"),exit()
	for j in R(b):
		s,t,c=j//d,j%d,1
		for p in P:c*=s%p
		F[u[s]*q*s%B*d+u[s]*(q*t+r-t)%d]|=c
O(a)