# ifndef ONLINE_JUDGE
# define _GLIBCXX_DEBUG
# endif
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using pii = pair<int, int>;
# define rep(i, n) for(int i = 0; i < (int)(n); i++)
# define all(v) v.begin(), v.end()

int main(){
  constexpr char endl = '\n';
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  cout << fixed << setprecision(10);
  //input();
  int N;cin >> N;
  vi A(N);
  for(auto &&e : A)  cin >> e;
  //solve();
  vector<bool> dp(pow(2, 15), false);
  //dp[i]:=iを作れるか
  dp[0] = true;
  rep(i, N){
    dp[A[i]] = true;
  }
  rep(i, pow(2, 15)){
    if(!dp[i])  continue;
    for(int &a : A){
      dp[i^a] = true;
    }
  }
  //output();
  int cnt = 0;
  for(bool &&e : dp)  if(e)  ++cnt;
  cout << cnt << endl;
}