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

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int N = sc.nextInt();
		final int M = sc.nextInt();
		
		long[] array = new long[N];
		for(int i = 0; i < N; i++){
			array[i] = sc.nextLong();
		}
		Arrays.sort(array);
		
		boolean[] used = new boolean[N];
		long max = 0;
		for(int i = 0; i < M; i++){
			used[i] = true;
			max ^= array[(N - 1) - i];
		}
		
		for(int x = 0; x < 10000000; x++){
			final int fst = (int)(Math.random() * N);
			final int snd = (int)(Math.random() * N);
			
			final long next_max = max ^ array[fst] ^ array[snd];
			if(next_max > max){
				max = next_max;
				used[fst] = !used[fst];
				used[snd] = !used[snd];
			}
		}
		
		for(int i = 0; i < N; i++){	
			if(!used[i]){ continue; }
			System.out.print((i == 0 ? "" : " ") + (array[i]));
		}
		System.out.println();
	}
}