#include <bits/stdc++.h>
using namespace std;

int freq[10000001];

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    int X, Y;
    cin >> X >> Y;
    for (int x = 1; x*x <= Y; ++x){
        for (int y = 0; x*x + y*y <= Y; ++y){
            ++freq[x*x + y*y];
        }
    }
    cout << *max_element(freq+X, freq+Y+1) * 4 << endl;
    return 0;
}