#include #include using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define all(x) (x).begin(), (x).end() #define ll long long #define ld long double #define INF 1000000000000000000 typedef pair pll; typedef pair pint; ll cnt[100000000] = {0}; int main() { cin.tie(0); ios::sync_with_stdio(false); ll N, D; cin >> N >> D; ll ans = 0; map ma; for (int x = 1; x <= N; x++) { for (int y = 1; y <= N; y++) { ll tmp = x * x + y * y; if (tmp > 100000000) continue; cnt[tmp]++; } } for (int w = 1; w <= N; w++) { for (int z = 1; z <= N; z++) { int tmp = w * w - z * z + D; if (tmp >= 0 && cnt[tmp] > 0) ans += cnt[tmp]; } } cout << ans << endl; }