#include <bits/stdc++.h>
using namespace std;

int main() {
	int n, m;
	cin >> n >> m;
	vector<int> a(n), c(n);
	for (int i = 0; i < n; i++) cin >> a[i];
	vector<int> b(m);
	iota(b.begin(), b.end(), 0);
	for (int i = 0; i < m; i++) c[i] = 1;
	int nsc = 0;
	for (int i: a) nsc ^= i;
	random_device rd;
	mt19937 mt(rd());
	for (int i = 0; i < 50000; i++) {
		// b[x]をa[y]に変える
		int x = mt() % m, y = mt() % n;
		int newsc = nsc ^ a[x] ^ a[y];
		if (newsc > nsc && c[y] == 0) {
			nsc = newsc;
			b[x] = y;
			c[x] = 0;
			c[y] = 1;
		}
	}
	for (int i = 0; i < m - 1; i++) cout << a[b[i]] << ' ';
	cout << a[b[m - 1]] << '\n';
}