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#include <iostream>
#include <vector>
#include <iterator>
#include <algorithm>
#include <math.h>

using namespace std;

int main() {
  ios_base::sync_with_stdio(0);

  int n, t;
  cin >> n >> t;

  int amount = pow(2, n);
  vector<int> numbers(amount);

  for(int i = 0; i < amount; i++) {
    int a;
    cin >> a;
    numbers[i] = a;
  }

  ostream_iterator<int> oi(cout, " ");

  if(t % 2 == 0) {
    copy(numbers.begin(), numbers.end(), oi);
  } else {
    copy(numbers.rbegin(), numbers.rend(), oi);
  }

  return 0;
}