#include <bits/stdc++.h>
using namespace std;

int main() {
    int N;
    cin >> N;
    bool matrix[N][63];

    for (int i = 0; i < N; i++) {
        long long A;
        cin >> A;
        for (long long j = 0; j < 63; j++) {
            matrix[i][j] = A & ((long long)1 << j);
        }
    }

    for (int i = 0; i < N; i++) {
        int min_bit = 100;
        int min_index = -1;
        for (int j = i; j < N; j++) {
            for (int k = 0; k < 63; k++) {
                if (matrix[j][k]) {
                    if (k < min_bit) {
                        min_index = j;
                        min_bit = k;
                    }
                }
            }
        }
        if (min_index == -1) break;
        for (int k = 0; k < 63; k++) {
            swap(matrix[i][k], matrix[min_index][k]);
        }
        for (int j = i + 1; j < N; j++) {
            if (matrix[j][min_bit]) {
                for (int k = 0; k < 63; k++) {
                    matrix[j][k] ^= matrix[i][k];
                }
            }
        }
    }

    long long ans = 0;

    for (int i = 0; i < N; i++) {
        bool flag = false;
        for (int j = 0; j < 63; j++) {
            flag |= matrix[i][j];
        }
        ans += flag;
    }

    cout << ((long long)1 << ans) << endl;
}