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// Grzegorz Bukowiec
// PA 2016 - Zadanie 1B - Tasowanie

#include <iostream>
#include <vector>
using namespace std;

int main() {
	ios_base::sync_with_stdio(0);
	int n, t, a, size = 1;
	vector<int> deck;

	cin >> n;
	cin >> t;

	for (int i = 0; i < n; ++i) {
		size <<= 1;
	}
	
	for (int i = 0; i < size; ++i) {
		cin >> a;
		deck.push_back(a);
	}

	if (t % 2) {
		for (int i = deck.size() - 1; i >= 0; --i) {
			cout << deck[i] << " ";
		}
	} else {
		for (int i = 0; i < size; ++i) {
			cout << deck[i] << " ";
		}
	}

	return 0;
}