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#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;

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

	int cards = 2 << (n - 1);
	vector<int> numbers;
	for (int i = 0; i < cards; ++i) {
		int number;
		scanf("%d", &number);
		numbers.push_back(number);
	}

	if (t % 2 == 1) {
		reverse(numbers.begin(), numbers.end());
	}

	for (auto number = numbers.begin(); number != numbers.end(); ++number) {
		printf("%d ", *number);
	}

    return 0;
}