/* 
 *     Author:  srtry
 *     Created: 2025-05-25T10:00:29+09:00
 *     Coding:  utf-8-unix
 */

use proconio::input;
use std::io::{stdout,Write,BufWriter};

fn main() {
    input!{
        n:usize,
        a:[usize;n]
    }

    let out = stdout();
    let mut out = BufWriter::new(out.lock());
    
    let mut dp:[bool;32768] = [false;32768];
    
    dp[0] = true;
    let mut ans = 1;
    for elem in a.iter() {
        for i in 0..32768 {
            if !dp[elem^i] && dp[i] {
                dp[elem^i] = true;
                ans += 1;
            }
        }
    }
    write!(out, "{}", ans).unwrap();
}