#include using namespace std; #define int long long #define vvi vector> #define vec vector #define pq priority_queue #define all(v) (v).begin(), (v).end() #define uniqueV(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end()); #define rep(i, n) for (int (i) = (0); (i) < (n); ++(i)) #define repp(i, m, n) for (int (i) = (m); (i) < (n); ++(i)) #define dbg(x) cerr << #x << ": " << x << endl; #define dbg2(x, y) cerr<<"("<<#x<<", "<<#y<<") = "<<"("<(value) << endl; #define line() cerr << "---------------" << endl; const int dx[] = {1, -1, 0, 0}; const int dy[] = {0, 0, -1, 1}; const double PI = 3.14159265358979323846; templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b void print1(T begin, T end) { while (begin != end) { cout << (*begin) << " "; *begin++; } cout << endl; } template void print2(T Array, int height, int width) { for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++) { cout << " " << Array[i][j]; } cout << endl; } } void print() { std::cerr << endl; } template void print(Head&& head, Tail&&... tail) { std::cerr << head << " "; print(std::forward(tail)...); } template void Add(T &a, const T &b, const T &mod=1000000007) { int val = ((a % mod) + (b % mod)) % mod; if (val < 0) { val += mod; } a = val; } template auto vectors(X x, T a) { return vector(x, a); } template auto vectors(X x, Y y, Z z, Zs... zs) { auto cont = vectors(y, z, zs...); return vector(x, cont); } // ------------------------------------------------------------------------------------------ int N, D; int c[4444444]; map mp; int ok(int w2) { for (int i = 1; i*i <= w2; i++) { if (i*i == w2) { return i; } } return -1; } signed main() { cin >> N >> D; c[0] = -1; for (int i = 1; i <= N*N; i++) { c[i] = ok(i); } // print1(c, c+N*N+1); int ans = 0; for (int x = 1; x <= N; x++) { for (int y = 1; y <= N; y++) { for (int z = 1; z <= N; z++) { int w2 = x*x + y*y + z*z - D; if (w2 < 1 or w2 > N*N) continue; // int w = (mp.count(right) ? mp[right] : ok(right)); int w = c[w2]; // print(x, y, z, w); if (1 <= w and w <= N) { ans++; } // mp[right] = w; } } } cout << ans << endl; return 0; }