#include #define ft first #define sc second #define lb lower_bound #define ub upper_bound #define pb(t) push_back(t) #define pt(num) cout << num << "\n" #define chmax(a, b) (ab ? a=b : 0) #define max(a, b) ((a)>(b) ? (a):(b)) #define min(a, b) ((a)<(b) ? (a):(b)) #define moC(a, s, b) (a)=((a)s(b)+MOD)%MOD using namespace std; typedef long long ll; typedef pair P; typedef map Map; static const ll INF=1e18; static const ll MAX=1e5+7; static const ll MOD=1e9+7; int main(void) { ll N, D; cin >> N >> D; ll i, j; Map mp, np; for(i=1; i<=N; i++) { for(j=1; j<=N; j++) { mp[i*i+j*j]++; } } ll ans=0; for(i=1; i<=N; i++) { for(j=1; j<=N; j++) { if(i*i+D-j*j<=0) continue; if(mp[i*i+D-j*j]==0) continue; ans+=mp[i*i+D-j*j]; } } pt(ans); }