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#include <iostream>
#include <cmath>
#include <vector>

using namespace std;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

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

	bool reverse = static_cast<bool>(t & 1);
	int g = pow(2, n);

	if (reverse) {
		vector<int> x(g);
		for (int& a : x)
			cin >> a;

		for (auto it = x.rbegin(); it != x.rend(); ++it)
			cout << *it << ' ';
	} else {
		int a;
		while (g--) {
			cin >> a;
			cout << a << ' ';
		}
	}

	return 0;
}