#include #define rep(i,N) for(ll (i)=0;(i)<(N);(i)++) #define chmax(x,y) x=max(x,y) #define chmin(x,y) x=min(x,y) using namespace std; typedef long long ll; typedef pair P; const int mod = 1000000007; const int INF = 1001001001; int main() { int n, d; cin >> n >> d; map a, b; for (ll i = 1; i <= n; ++i) for(ll j = 1; j <= n; ++j) { ll v = i*i + j*j; a[v]++; } for (ll i = 1; i <= n; ++i) for(ll j = 1; j <= n; ++j) { ll v = i*i - j*j; b[v]++; } ll ans = 0; for (auto ita = a.begin(); ita != a.end(); ita++) { int v = (*ita).first - d; ans += b[v] * (*ita).second; } cout << ans << endl; }