#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef pair<int,int> pii;
const int N=2e5+5;
int n,m;
inline bool Check(int x,int y){return 1<=x&&x<=n&&1<=y&&y<=m&&(y>=2*x||x>=2*y);}
signed main(){
    // freopen("ex_2.in","r",stdin);
    // freopen(".out","w",stdout);
    std::ios::sync_with_stdio(false);
    cin.tie(0),cout.tie(0);
    cin>>n>>m;
    queue<pii>q;
    q.push(pii(1,2));
    int Ans=0;
    while(!q.empty()){
        pii u=q.front();q.pop();
        int x=u.fi,y=u.se,tx,ty,g;
        Ans+=Check(x,y)+Check(y,x);
        tx=x,ty=y+x*2,g=__gcd(tx,ty),tx/=g,ty/=g;
        if(Check(tx,ty))q.push(pii(tx,ty));
        tx=x+y*2,ty=y,g=__gcd(tx,ty),tx/=g,ty/=g;
        if(Check(tx,ty))q.push(pii(tx,ty));
    }
    cout<<Ans;
    return 0;
}