#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <random>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, m;
    cin >> n >> m;

    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }

    int x = 0;
    for (int i = 0; i < m; i++) {
        x ^= a[i];
    }

    int l = n - m;
    if (l > 0) {
        mt19937_64 rnd;
        for (int k = 0; k < 1 << 24; k++) {
            int i = rnd() % m;
            int j = rnd() % l + m;
            int y = x ^ a[i] ^ a[j];
            if (y > x) {
                x = y;
                swap(a[i], a[j]);
            }
        }
    }

    for (int i = 0; i < m; i++) {
        cout << a[i] << " \n"[i == m - 1];
    }

    return 0;
}