#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i = (a); i < (b); ++i)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) for(int i = (n) - 1; (i) >= 0; --i)
#define SZ(n) (int)(n).size()
#define ALL(n) (n).begin(), (n).end()
#define MOD LL(1e9 + 7)
#define INF 1000000
using namespace std;
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PI;


bool bo[1 << 15];

int main() {
	int n;
	cin >> n;
	set<int> st;
	REP(i, n) {
		int a;
		cin >> a;
		st.insert(a);
	}
	bo[0] = true;
	for (int e : st) {
		REP(i, (1 << 15)) {
			if (bo[i]) {
				bo[i] = true;
				bo[i ^ e] = true;
			}
		}
	}
	int ans = 0;
	REP(i, (1 << 15)) {
		if (bo[i]) ans++;
	}
	cout << ans << endl;
	return 0;
}