#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #define _GLIBCXX_DEBUG using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; ll ILL=1167167167167167167; const int INF=2100000000; const ll mod=998244353; #define rep(i,a) for (ll i=0;i<a;i++) template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>; template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}else return 0;} template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}else return 0;} template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());} template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} void yneos(bool a){if(a) cout<<"YES\n"; else cout<<"NO\n";} void solve(); // rainy ~ 雨に打たれて ~ int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t=1; //cin>>t; rep(i,t) solve(); } void solve(){ int N,M=1024; cin>>N; vector<bool> dp1(M); vector<int> dp2(M); dp1[0]=1; rep(roop,N){ int a; cin>>a; vector<bool> n_dp1(M); vector<int> n_dp2(M); rep(i,M){ if(dp1[i]){ if(i+a>=M) n_dp2[i+a-M]++; else n_dp1[i+a]=1; n_dp1[i&a]=1; }if(dp2[i]!=0){ n_dp2[(i+a)%M]+=dp2[i]; n_dp1[i&a]=1; } } int ans=0; rep(i,M){ if(n_dp1[i]) ans++; ans+=n_dp2[i]; } swap(dp1,n_dp1); swap(dp2,n_dp2); cout<<ans<<"\n"; } }