#include using namespace std; using ll = long long; int main() { cin.tie(0); ios::sync_with_stdio(false); int n, d; cin >> n >> d; vector v1; for (int x = 1; x <= n; x++) { for (int y = 1; y <= n; y++) { v1.push_back(x * x + y * y); } } sort(v1.begin(), v1.end()); vector v2; for (int w = 1; w <= n; w++) { int lim = min(n * n, w * w + d); for (int z = 1; z * z <= lim; z++) { v2.push_back(d + w * w - z * z); } } sort(v2.begin(), v2.end()); int i = 0, j = 0; ll ans = 0; while (i < v1.size() && j < v2.size()) { while (i < v1.size() && j < v2.size()) { if (v1[i] == v2[j]) break; if (v1[i] < v2[j]) i++; else j++; } int ii = i, jj = j; while (i < v1.size()) { if (v1[i] != v1[ii]) break; i++; } while (j < v2.size()) { if (v2[j] != v2[jj]) break; j++; } ll tmp = i - ii; tmp *= j - jj; ans += tmp; } cout << ans << endl; return 0; }