#include <bits/stdc++.h>
typedef long long ll;
#define FOR(i,a,b) for(ll i=(a);i<(b);i++)
#define REP(i,a) FOR(i,0,a)
	
using namespace std;
ll X,Y;
const ll MAX_Y=1e7;
ll cnt[MAX_Y+1];
int main(){
	scanf("%lld %lld",&X,&Y);
	ll r=1;
	while(r*r<=Y){
		r++;
	}
	FOR(x,-r+1,r){
		FOR(y,-r+1,r){
			if(x*x+y*y<=Y){
				cnt[x*x+y*y]++;
			}
		}
	}
	ll ans=0;
	FOR(i,X,Y+1){
		ans=max(ans,cnt[i]);
	}
	cout<<ans<<endl;
}