#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (n);i++)
#define sz(x) int(x.size())
typedef long long ll;
typedef pair<int,int> P;
const int m = 16385;
int dp[m];
int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i,n) cin >> a[i];
  dp[0] = 1;
  rep(i,n){
    rep(j,m){
      dp[j ^ a[i]] = dp[j];
    }
  }
  int res = 0;
  rep(i,m) res += dp[i];
  cout << res << endl;
  return 0;
}