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();
		
		int[] array = new int[N];
		for(int i = 0; i < N; i++){
			array[i] = sc.nextInt();
		}
		Arrays.sort(array);
		
		boolean[] used = new boolean[N];
		
		int count = 0;
		long xor = 0;
		for(int bit = 31; bit >= 0 && count < M; bit--){
			if(((1 << bit) & xor) != 0){ continue; }
			
			int max_index = -1;
			long max_value = -1;
			
			for(int i = 0; i < N; i++){
				if(used[i]){ continue; }
				if(((1 << bit) & array[i]) == 0){ continue; }
				
				if(max_value < array[i]){
					max_index = i;
					max_value = array[i];
				}
			}
			
			if(max_index >= 0){
				used[max_index] = true;
				xor ^= max_value;
				count++;
			}
		}
		
		//System.out.println(xor + " " + count + " : " + Arrays.toString(used));
		for(int i = 0; i < N && count < M; i++){
			if(used[i]){ continue; }
			
			used[i] = true;
			xor ^= array[i];
			count++;
		}
		//System.out.println(xor + " " + count + " : " + Arrays.toString(used));
		
		for(int x = 0; x < 9000000; x++){
			final int fst = (int)(Math.random() * N);
			final int snd = (int)(Math.random() * N);
			if(used[fst] && used[snd]){ continue; }
			if(!used[fst] && !used[snd]){ continue; }
			
			final long next_xor = xor ^ array[fst] ^ array[snd];
			if(next_xor > xor){
				xor = next_xor;
				used[fst] = !used[fst];
				used[snd] = !used[snd];
			}
		}
		
		boolean first = true;
		for(int i = 0; i < N; i++){	
			if(!used[i]){ continue; }
			
			System.out.print((first ? "" : " ") + (array[i]));
			first = false;
		}
		System.out.println();
	}
}