pub mod scanner {

    pub struct Scanner {
        buf: Vec<String>,
    }

    impl Scanner {
        pub fn new() -> Self {
            Self { buf: vec![] }
        }

        pub fn new_from(source: &str) -> Self {
            let source = String::from(source);
            let buf = Self::split(source);
            Self { buf }
        }

        pub fn next<T: std::str::FromStr>(&mut self) -> T {
            loop {
                if let Some(x) = self.buf.pop() {
                    return x.parse().ok().expect("");
                }
                let mut source = String::new();
                std::io::stdin().read_line(&mut source).expect("");
                self.buf = Self::split(source);
            }
        }

        fn split(source: String) -> Vec<String> {
            source
                .split_whitespace()
                .rev()
                .map(String::from)
                .collect::<Vec<_>>()
        }
    }
}

use crate::scanner::Scanner;

fn main() {
    let mut scanner = Scanner::new();
    let t: usize = 1;
    for _ in 0..t {
        solve(&mut scanner);
    }
}

fn solve(scanner: &mut Scanner) {
    let n: usize = scanner.next();
    let a: Vec<usize> = (0..n)
        .map(|_| {
            let a = scanner.next();
            a
        })
        .collect();
    let mut ans: usize = 0;
    let mut x: usize = 1;
    for b in 0..28 {
        let mut count = (1 + n) * n / 2;
        let mut l = 0;
        while l < n {
            if ((a[l] >> b) & 1) == 0 {
                let mut r = l;
                while r < n && ((a[r] >> b) & 1) == 0 {
                    r += 1;
                }
                count -= (1 + (r - l)) * (r - l) / 2;
                l = r;
            } else {
                l += 1;
            }
        }
        ans += x * count;
        x *= 2;
    }
    println!("{}", ans);
}