//#include #include #include #include #include #include #include #include #include #include #include #include #define rep(i,n) for(int i = 0; i < n; i++) //[0,n) #define srep(i,a,b) for(int i = a; i < b; i++) //[a,b) #define arep(i,a,b,d) for(int i = a; i < b; i += d) #define all(A) (A).begin(),(A).end() #define rall(A) (A).rbegin(),(A).rend() #define pmt(A) next_permutation(all(A)) using namespace std; using ll = long long; using ull = unsigned long long; using pq = priority_queue,greater>; const ll inf = 1LL<<60; const int iinf = (int)1e9+1; const int mod9 = 998244353; const int mod1 = (int)1e9+7; struct Edge { int to; long long cost; int from; }; bool compe(const Edge &e,const Edge &e2){ return e.cost < e2.cost; } using Graph = vector>; using SGraph = vector>; template int siz(T& a){return (int)a.size();} ll squa(ll a){ return a*a; } double torad(double x){ return x*(acos(-1)/180.0); } ll cross(ll ax,ll ay,ll bx,ll by){ return ax*by-ay*bx; } ll mceil(ll a,ll b){ return (a+b-1)/b; } int dp[1<<14+5]; int main(){ int N; cin >> N; vector A(N); rep(i,N) cin >> A[i]; dp[0] = 1; rep(i,N){ rep(j,1<<14+1){ dp[j] |= dp[j^A[i]]; } } int ans = 0; rep(i,1<<14+1) ans += dp[i]; cout << ans; }