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();
		}
		
		boolean[] use = new boolean[N];
		long max = 0;
		for(int i = 0; i < M; i++){
			use[i] = true;
			max ^= array[i];
		}
		
		while(true){
			for(int out = 0; out < N; out++){
				if(use[out]){ continue; }
				
				for(int in = 0; in < N; in++){
					if(!use[in]){ continue; }
					
					
					final long next_max = max ^ array[out] ^ array[in];
					if(next_max > max){
						max = next_max;
						use[out] = false;
						use[in] = true;
					}
				}
			}
			
			break;
		}
		
		for(int i = 0; i < N; i++){
			if(!use[i]){ continue; }
			
			System.out.print((i == 0 ? "" : " ") + (array[i]));
		}
		System.out.println();
	}
}