#pragma region Macros #include using namespace std; using namespace __gnu_pbds; // using namespace __gnu_cxx; #define TO_STRING(var) # var #define pb emplace_back #define int ll #define endl '\n' using ll = long long; using ld = long double; const ld PI = acos(-1); const ld EPS = 1e-10; const int INF = 1 << 30; const ll INFL = 1LL << 62; // const int MOD = 998244353; const int MOD = 1000000007; int ceil(int x, int y) {return (x > 0 ? (x + y - 1) / y : x / y);} int POW(int x, int y) { if (y != (int)(y) or y < 0 or x != 0 && x != 1 && y > 64) {cout << "Error" << endl;return 0;} if (y == 0) return 1; if (y % 2 == 0) return POW(x * x, y / 2); return x * POW(x, y - 1); } __attribute__((constructor)) void constructor() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); } #pragma endregion signed main() { int N, D; cin >> N >> D; vector mp1(2 * N * N + 1); for (int x = 1; x <= N; x++) { for (int y = 1; y <= N; y++) { mp1[x * x + y * y]++; } } vector mp2(2 * N * N + 1 + D); for (int z = 1; z <= N; z++) { for (int w = 1; w <= N; w++) { if (w * w - z * z + D < 0) continue; mp2[w * w - z * z + D]++; } } int ans = 0; for (int i = 1; i <= 2 * N * N; i++) { ans += mp1[i] * mp2[i]; } cout << ans << endl; }