fn main() {
    input! {
        n: usize,
        a: [u32; n],
    }
    naive(a);
}

fn naive(a: Vec<u32>) {
    let mut dp: Vec<(u32, i32)> = vec![];
    for a in a {
        dp.retain(|p| p.0 & a != p.0);
        let len = dp.len();
        dp.resize(2 * len, (0, 0));
        let (l, r) = dp.split_at_mut(len);
        for (r, l) in r.iter_mut().zip(l.iter()) {
            *r = (l.0 & a, -l.1);
        }
        dp.push((a, 1));
        dp.sort();
        dp.dedup_by(|a, b| a.0 == b.0 && {
            b.1 += a.1;
            true
        });
        dp.retain(|p| p.1 != 0);
    }
    let ans = dp 
        .into_iter()
        .map(|b| (1i64 << b.0.count_ones()) * b.1 as i64)
        .sum::<i64>();
    println!("{}", ans);
}
// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

#[macro_export]
macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};
    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

#[macro_export]
macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };
    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };
    ($iter:expr, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------