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;
    let mut ys = vec![];
    for &x in xs.iter() {
        if v & x > 0 { continue; }
        v |= x;
        ys.push(x);
        if ys.len() >= m { break; }
    }
    for i in 0..ys.len() {
        if i > 0 { print!(" "); }
        print!("{}", ys[i]);
    }
    println!();
    
}