#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef pair<int, int> PII;

#define FOR(i, a, n) for (int i = (int)a; i < (int)n; ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(x) x.begin(), x.end()
#define MOD 1000000007
#define INF 1000000000
#define PI 3.14159265359
#define EPS 1e-12

bool dp[1<<15];

int main(void)
{
  int n, a[5010];
  cin >> n;
  REP(i, n) cin >> a[i];

  dp[0] = true;
  REP(i, n) {
    for(int j=16384; j>=0; --j) {
      if(dp[j]) dp[a[i]^j] = true;
    }
  }

  int ans = 0;
  for(int i=0; i<1<<15; ++i) if(dp[i]) {/*cout << i << " ";*/ ans++;}
  //cout << endl;
  cout << ans << endl;

  return 0;
}