#include<bits/stdc++.h>
using namespace std;
#define inf  ((long long)1e9)
long long n;
long long m;
long long ans=0;
inline int askdiv(int x,int y){return y?(x/y):inf;}
inline void askans(int a,int b,int c,int d,int lim){
	if(a*lim+b>n)return;
	ans+=max(0,min(askdiv(n-b,a),askdiv(m-d,c))-lim+1);
	ans+=max(0,askdiv(n-d,c)-lim+1);
//	printf("%lld %lld %lld %lld %lld ans=%lld\n",a,b,c,d,lim,ans);
	for(int u=1,e=a+c*2,f=b+d*2;1ll*e*max(lim,u+1)+f<=m;++u,e+=c*2,f+=d*2){
		askans(c,d,e,f,max(lim,u+1));
	}
}
inline void dfs(long long a,long long b,long long lim){
	askans(0,b,b*2,a,lim);
	for(long long u=1,c=a+b*2;c*2*max(lim,u)+b<=m;++u,c+=b*2){
		dfs(b,c,max(lim,u));
	}
}
int main(){
	#ifdef dzy
	freopen("P10788_2.in","r",stdin);
	freopen("P10788_2.out","w",stdout);
	#endif
	scanf("%lld%lld",&n,&m);
	if(n>m)swap(n,m);
	dfs(0,1,1);
	printf("%lld\n",ans);
	return 0; 
}