//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
#define rep(i, n) for(int i=0; i<n; ++i)
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
using namespace std;
using ll = int64_t;
using ld = long double;
using P = pair<int, int>;
using vs = vector<string>;
using vi = vector<int>;
using vvi = vector<vi>;
template<class T> using PQ = priority_queue<T>;
template<class T> using PQG = priority_queue<T, vector<T>, greater<T> >;
const int INF = 0xccccccc;
const ll LINF = 922337203685477580LL;
template<typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {return a < b && (a = b, true);}
template<typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {return a > b && (a = b, true);}
template<typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) { return is >> p.first >> p.second;}
template<typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) { return os << p.first << ' ' << p.second;}

const int N = 1e5+10;

//head

int n;
ll a[N];
ll bit[64];
ll ans = 1;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> n;
  rep(i, n) cin >> a[i];

  rep(i, n) {
    for(int j = 59; j >= 0; j--) if(bit[j] and a[i]>>j&1) {
      a[i] ^= bit[j];
    }
    if(!a[i]) continue;
    int u = 63-__builtin_clzll(a[i]);
    for(int j = 59; j > u; j--) if(bit[j]>>u&1) {
      bit[j] ^= a[i];
    }
    bit[u] = a[i];
  }

  rep(j, 60) if(bit[j]) ans <<= 1;

  cout << ans << endl;
}