#![allow(unused_imports)]
#![allow(non_snake_case)]
use std::cmp::*;
use std::collections::*;
use std::io::Write;

#[allow(unused_macros)]
macro_rules! debug {
    ($($e:expr),*) => {
        #[cfg(debug_assertions)]
        $({
            let (e, mut err) = (stringify!($e), std::io::stderr());
            writeln!(err, "{} = {:?}", e, $e).unwrap()
        })*
    };
}

fn main() {
    let n = read::<usize>();
    let v = read_vec::<usize>();
    if n % 3 == 0 {
        let mut dict = HashMap::new();
        for i in 0..n {
            *dict.entry(v[i]).or_insert(0) += 1;
        }
        if dict.len() >= 4 {
            println!("No");
            return;
        }
        if dict.len() == 1 && v[0] ^ v[0] == v[0] {
            println!("Yes");
            return;
        }
        if dict.len() == 3 {
            let v = dict.keys().cloned().collect::<Vec<_>>();
            let counts = dict.values().cloned().collect::<Vec<_>>();
            //debug!(v);
            //debug!(counts);
            if v[0] == v[1] ^ v[2] && counts[0] == counts[1] && counts[0] == counts[2] {
                println!("Yes");
                return;
            } else {
                println!("No");
                return;
            }
        }
        if dict.len() == 2 {
            let v = dict.keys().cloned().collect::<Vec<_>>();
            let counts = dict.keys().cloned().collect::<Vec<_>>();
            if 2 * counts[0] == counts[1] && v[1] ^ v[1] == v[0] {
                println!("Yes");
            } else if counts[0] == 2 * counts[1] && v[0] ^ v[0] == v[1] {
                println!("Yes");
            } else {
                println!("No");
            }
        }
    } else {
        if v.iter().all(|&x| x == 0) {
            println!("Yes");
        } else {
            println!("No");
        }
    }
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}
