#include <bits/stdc++.h>
using namespace std;

#define int long long
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define repi(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define mp make_pair
#define mt make_tuple

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;

const int inf = 1LL<<60;
const int mod = 1e9 + 7;
const double eps = 1e-9;

/*{
}*/

signed main()
{
  int n;
  cin >> n;

  vi a(n);
  rep(i, n) cin >> a[i];

  vector<bool> dp(1<<15);
  dp[0] = true;
  rep(i, n){
    rep(j, 1<<15){
      if(dp[j]){
        int t = j^a[i];
        if(0 <= t and t < 1<<15){
          dp[t] = true;
        }
      }
    }
  }

  int ans = 0;
  rep(i, 1<<15) if(dp[i]) ans++;

  cout << ans << endl;

  return 0;
}