use std::io::{stdin, Read};

fn main() {
    let mut buf = String::new();
    stdin().read_to_string(&mut buf).unwrap();
    let mut buf = buf.split_whitespace();
    let mut get = || buf.next().unwrap().parse::<i32>().unwrap();
    
    let n = get() as usize;
    let m = get() as usize;
    let mut xs = vec![];
    for _ in 0..n { xs.push(get()); }
    
    let mut v = 0;
    for i in 0..m {
        v ^= xs[i];
    }
    if m < n {
        for i in 0..500 {
            for j in 0..n {
                let mut i = (j % 19 + (j + i) % 7 + m + i % 103 + i % 31) % n;
                if i < m {
                    if n == m {
                        i = m;
                    } else {
                        i = m + i % (n - m);
                    }
                }
                let e = v ^ xs[j] ^ xs[i];
                if e > v {
                    xs.swap(i, j);
                    v = e;
                }
            }
        }
    }
    for i in 0..m {
        if i > 0 { print!(" "); }
        print!("{}", xs[i]);
    }
    println!();   
}