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#include <iostream>
using namespace std;

const int MAXN = 20;
const int MAXLEN = 1 << MAXN;
int arr[MAXLEN];

int main() {
	ios_base::sync_with_stdio(0);
	int n, t;
	cin>>n>>t;
	int len = 1 << n;
	for(int i = 0; i < len; ++i)
		cin>>arr[i];
	if(t & 1)
		for(int i = len - 1; i >= 0; --i)
			cout<<arr[i]<<' ';
	else
		for(int i = 0; i < len; ++i)
			cout<<arr[i]<<' ';
	cout.flush();
	return 0;
}