#include<iostream>
#include<numeric>
using namespace std;
const int VAL = 5005;
const int RANGE = (1 << 14) + 5;


int nVal, val[VAL];

void read() {
    cin >> nVal;
    for (int i = 0; i < nVal; ++i)
        cin >> val[i];
}


void work() {
    bool avail[RANGE] = {};
    avail[0] = true;
    
    for (int i = 0; i < RANGE; ++i) {
        if (!avail[i])
            continue;

        for (int j = 0; j < nVal; ++j)
            avail[i ^ val[j]] = true;
    }

    cout << accumulate(avail, avail + RANGE, 0) << endl;
}


int main() {
    read();
    work();
    return 0;
}