#include <iostream>
#include <string>
#include <set>
#include <map>
#include <vector>
#include <numeric>
#include <tuple>
#include <cstdio>
#include <assert.h>

using namespace std;

typedef long long ll;


#define rep(i,b) for(ll i=0;i<(b);++i)
#define rep1(i,b) for(ll i=1;i<=(b);++i)
#define vec vector
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl;

int N;
int A[5010];
int dp[(1 << 16)];

int main() {
   cin >> N;
   rep1(i, N) {
      scanf("%d", &A[i]);
      dp[A[i]] = 1;
   }
   for (int i=0;i<=N;i++) {
      for (int j=(1 << 15);j>=0;j--) {
         dp[j ^ A[i]] |= dp[j] & dp[A[i]];
      }
   }
   int ans = 0;
   rep(i, (1 << 16)+1) {
      ans += dp[i];
   }
   cout << ans << endl;
}