#include using namespace std; /* #include using namespace boost::multiprecision; using cint = cpp_int; */ // Define using ll = long long; using ull = unsigned long long; using ld = long double; const ll dx[4] = {1, 0, -1, 0}; const ll dy[4] = {0, 1, 0, -1}; const ll MOD = 1e9 + 7; const ll mod = 998244353; const ll inf = 1 << 30; // const ll INF = LONG_MAX; const ll INF = 1LL << 60; const ull MAX = ULONG_MAX; #define mp make_pair #define pb push_back #define eb emplace_back #define elif else if #define endl '\n' #define space ' ' #define def inline auto #define func inline constexpr ll #define run(a) __attribute__((constructor)) def _##a() #define all(v) begin(v), end(v) #define input(a) scanf("%lld", &(a)) #define print(a) printf("%lld\n", (a)) #define fi first #define se second #define ok(a, b) (0 <= (a) && (a) < (b)) template using vvector = vector>; template using rpriority_queue = priority_queue, greater>; template bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } // Debug #define debug(...) \ { \ cerr << __LINE__ << ": " << #__VA_ARGS__ << " = "; \ for (auto &&X : {__VA_ARGS__}) cerr << "[" << X << "] "; \ cerr << endl; \ } #define dump(a, h, w) \ { \ cerr << __LINE__ << ": " << #a << " = [" << endl; \ rep(__i, h) { \ rep(__j, w) cerr << a[__i][__j] << space; \ cerr << endl; \ } \ cerr << "]" << endl; \ } #define vdump(a, n) \ { \ cerr << __LINE__ << ": " << #a << " = ["; \ rep(__i, n) if (__i) cerr << space << a[__i]; \ else cerr << a[__i]; \ cerr << "]" << endl; \ } struct edge { ll to, cost; edge(ll a, ll b) : to(a), cost(b) {} }; struct position { ll x, y; position() {} position(ll a, ll b) : x(a), y(b) {} position next(ll i) { return {x + dx[i], y + dy[i]}; } ll mdist() { return abs(x) + abs(y); } double dist() { return sqrt(x * x + y * y); } double norm(ll d) { if (d == inf) return max(x, y); if (d == 1) return mdist(); if (d == 2) return dist(); return 0; } ll num(ll width) { return abs(x) * width + abs(y); } bool operator==(position a) { return x == a.x && y == a.y; } bool operator!=(position a) { return x != a.x || y != a.y; } bool operator<(position a) { return x < a.x && y < a.y; } bool operator>(position a) { return x > a.x && y > a.y; } bool operator<=(position a) { return x <= a.x && y <= a.y; } bool operator>=(position a) { return x >= a.x && y >= a.y; } position operator+(position a) { return position(x + a.x, y + a.y); } position operator-(position a) { return position(x - a.x, y - a.y); } position operator*(position a) { return position(x * a.x, y * a.y); } position operator/(position a) { return position(x / a.x, y / a.y); } position operator%(position a) { return position(x % a.x, y % a.y); } position complex(position a) { return position(x * a.x - y * a.y, x * a.y + y * a.x); } /* // for sort: bool operator<(position a) { return x ^ a.x ? x < a.x : y < a.y; } bool operator>(position a) { return x ^ a.x ? x > a.x : y > a.y; } bool operator<=(position a) { return x ^ a.x ? x < a.x : y <= a.y; } bool operator>=(position a) { return x ^ a.x ? x > a.x : y >= a.y; } */ }; position Origin = position(0, 0); using pos = position; using vec = position; struct Range { ll left, right; Range() {} Range(ll l, ll r) : left(l), right(r) {} ll length() { return right - left; } bool operator==(Range A) { return left == A.left && right == A.right; } bool operator!=(Range A) { return !(Range(left, right) == A); } bool operator>(Range A) { return left < A.left && right > A.right; } bool operator<(Range A) { return left > A.left && right < A.right; } bool operator>=(Range A) { return left <= A.left && right >= A.right; } bool operator<=(Range A) { return left >= A.left && right <= A.right; } }; // Loop #define inc(i, a, n) for (ll i = (a), _##i = (n); i <= _##i; ++i) #define dec(i, a, n) for (ll i = (a), _##i = (n); i >= _##i; --i) #define rep(i, n) for (ll i = 0, _##i = (n); i < _##i; ++i) #define each(i, a) for (auto &&i : a) #define loop() for (;;) // Stream #define fout(n) cout << fixed << setprecision(n) #define fasten cin.tie(0), ios::sync_with_stdio(0) // Speed run(0) { fasten, fout(10); } #pragma GCC optimize("O3") #pragma GCC target("avx") // Gen-Test #define RAND(a) \ { \ random_device rnd; \ mt19937_64 a(rnd()); \ } #define warning(A) \ if (!(A)) return 1 #define sin(a, b) ifstream a(b); #define sout(a, b) ofstream a(b); // Math //#define gcd __gcd func gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } func lcm(ll a, ll b) { return a * b / gcd(a, b); } func sign(ll a) { return a ? abs(a) / a : 0; } template def in() { T A; cin >> A; return A; } template def out(vector> A, ll H, ll W, char divc = space, char endc = endl) { rep(i, H) { rep(j, W) { if (j) cout << divc << A[i][j]; else cout << A[i][j]; } cout << endc; } } signed main() { ll N, D, res = 0; cin >> N >> D; unordered_map M1, M2; rep(i, N) rep(j, N) { ll S1 = (i + 1) * (i + 1) + (j + 1) * (j + 1); ll S2 = (i + 1) * (i + 1) - (j + 1) * (j + 1) + D; M1[S1]++; M2[S2]++; } each(i, M1) res += i.se * M2[i.fi]; cout << res << endl; } // for compilation: g++ -Ofast -march=native -o _ _.cpp -std=c++17