fn main() {
    let mut nx = String::new();
    std::io::stdin().read_line(&mut nx).ok();
    let nx: Vec<usize> = nx.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n = nx[0];
    let x = nx[1];
    let mut a = String::new();
    std::io::stdin().read_line(&mut a).ok();
    let mut a: Vec<usize> = a.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();

    a.sort_by_key(|&v| v.min(v ^ x));
    let result = (0..n-1).map(|i| a[i] < a[i+1] ^ x && a[i] ^ x < a[i+1]).fold(true, |x, y| x && y);
    if result {
        println!("Yes");
    } else {
        println!("No");
    }
}