#!/usr/bin/env pypy3

import functools
import itertools
import operator
import random


NUM_MAX_TRIAL = 20


def fold_xor(iterable):
    return functools.reduce(operator.xor, iterable)


def in_place_solve(m, xs, num_max_trial=NUM_MAX_TRIAL):
    random.shuffle(xs)
    max_score = 0
    res = None
    for i, ys in enumerate(itertools.combinations(xs, m)):
        if i >= num_max_trial:
            break
        score = fold_xor(ys)
        if score > max_score:
            max_score = score
            res = ys
    return res


def main():
    _, m = (int(x) for x in input().split())
    xs = [int(x) for x in input().split()]
    res = in_place_solve(m, xs)
    print(*res)


if __name__ == '__main__':
    main()