#include <stdio.h>
#include <time.h>
#include <vector>
#include <random>
#include <algorithm>

using namespace std;

mt19937 mt(123);

// [l,r]
int randint(int l, int r) {
  return uniform_int_distribution<int>(l, r)(mt);
}

int main() {
  int n, m;
  scanf("%d %d", &n, &m);

  vector<int> a(n); 
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
  }

  int ans_x = 0;
  vector<int> ans_a;

  clock_t start = clock();
  int x = 0;
  for (int i = 0; i < m; i++) {
    x ^= a[i];
  }
  ans_x = x;
  ans_a = a;
  while (double(clock() - start) / CLOCKS_PER_SEC < 0.3) {
    int i = randint(0, m - 1);
    int j = randint(m, n - 1);
    x ^= a[i] ^ a[j];
    swap(a[i], a[j]);
    if (ans_x < x) {
      ans_x = x;
      ans_a = a;
    }
  }

  for (int i = 0; i < m; i++) {
    if (i > 0) putchar(' ');
    printf("%d", ans_a[i]);
  }
  puts("");
}