#include<iostream>
#include<cmath>
using namespace std;

int main(){
    int x, y;
    cin >> x >> y;

    int ans = 0;
    for(int i = x; i <= y; i++){
        int point = 0;
        for(int j = 0; j*j <= i; j++){
            int tmp = sqrt(i-j*j);
            if(tmp*tmp + j*j == i){
                point += 4;
                if(tmp == 0 || j == 0)  point -= 2;
            }
        }
        ans = max(ans, point);
    }

    cout << ans << endl;

    return 0;
}