#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define llong long long

int main() {
    int x, y;
    cin >> x >> y;
    vector<int> lens;
    for(int i=0; i<=y; i++) {
        if(i*i > y) break;
        lens.push_back(i*i);
    }
    map<int, int> cands;
    rep(a, lens.size()) {
        int i = lens[a];
        for(int b=a; b<lens.size(); b++) {
            int j = lens[b];
            int val = i+j;
            if(val < x) continue;
            if(y < val) break;
            int adder = i == j || i == 0 ? 1 : 2;
            if(cands.count(val)) cands[val] += adder;
            else cands[val] = adder;
        }
    }
    
    int result = 0;
    for(pair<int, int> p: cands) {
        result = max(result, p.second);
    }

    cout << 4 * result << "\n";
}