#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) begin(v),end(v) template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } using ll = long long; using pii = pair; constexpr ll INF = 1ll<<30; constexpr ll longINF = 1ll<<60; constexpr ll MOD = 1000000007; constexpr bool debug = false; //---------------------------------// int main() { int N, D; cin >> N >> D; const int M = 2 * N * N; vector cnt(M + 1); FOR(i, 1, N + 1) { const int b = i * i + D; FOR(j, 1, N + 1) { const int cur = b - j * j; if (cur < 0) break; if (cur <= M) ++cnt[cur]; } } ll ans = 0; FOR(i, 1, N + 1) { const int b = i * i; FOR(j, 1, N + 1) { const int cur = b + j * j; if (cur > M) break; ans += cnt[cur]; } } cout << ans << endl; }