#define _USE_MATH_DEFINES #include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define MT make_tuple #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)<; using vi = vector; using vll = vector; void solve() { int N, D; cin >> N >> D; vll cnt(N*N + N*N + 1); for (int x = 1; x <= N; ++x)for (int y = 1; y <= N; ++y) { cnt[x*x + y*y]++; } ll ans = 0; for (int z = 1; z <= N; ++z)for (int w = 1; w <= N; ++w) { int dwz = D + w*w - z*z; if(dwz>=0&&dwz<=N*N+N*N)ans += cnt[dwz]; } cout << ans << endl; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); solve(); return 0; }