import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		new Main().run();
	}

	void run() {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int[] a = new int[n];
		for (int i = 0; i < n; ++i) {
			a[i] = sc.nextInt();
		}
		int[] member = new int[m];
		int answer = 0;
		for (int i = 0; i < m; ++i) {
			answer ^= a[i];
			member[i] = i;

		}
		for (int i = 0; i < 1e7; ++i) {
			int rnd1 = (int) (Math.random() * m);
			int rnd2 = (int) (Math.random() * n);
			int tmp = answer ^ a[rnd2] ^ a[member[rnd1]];
			if (tmp > answer) {
				member[rnd1] = rnd2;
				answer = tmp;
			}
		}
		for (int i = 0; i < m; ++i) {
			System.out.print(a[member[i]] + (i == m - 1 ? "\n" : " "));
		}
	}

	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}