#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <array>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
#include <memory>
#include <regex>
using namespace std;

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

    vector<int> cnt(y+1, 0);
    for(int a=0; a*a<=y; ++a){
        for(int b=1; a*a+b*b<=y; ++b){
            ++ cnt[a*a+b*b];
        }
    }

    int ans = *max_element(cnt.begin() + x, cnt.end()) * 4;
    cout << ans << endl;

    return 0;
}