#include #include using namespace std; #define ll long long #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define repeat(i,s,n) for(int (i)=s; (i)<(n); (i)++) #define revrep(i,n) for(int (i)=(n)-1;i>=0; i--) int main() { cin.tie(0); ios::sync_with_stdio(false); cout<::max_digits10); ll N,D; cin>>N>>D; vector xy_ans(8000000+1); repeat(x,1,N+1) { repeat(y,1,N+1) { xy_ans[x*x+y*y]++; } } ll ans=0; repeat(z,1,N+1) { repeat(w,1,N+1) { ll c=D+w*w-z*z; if(c>=0) { ans+=xy_ans[c]; } } } cout << ans << endl; return 0; }