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#include <iostream>
#include <vector>

using namespace std;

unsigned n;
int realN;
unsigned long long t;
vector <unsigned long long> v;


int main () {
	ios_base::sync_with_stdio(0);
	cin >> n >> t;
	realN = 1;
	while (n > 0) {
		realN *= 2;
		n--;
	}
	for (int i = 0 ; i < realN ; i++) {
		unsigned long long tmp;
		cin >> tmp;
		v.push_back(tmp);
	}
	if (t % 2 == 0 ) {
		for(int i = 0; i < v.size() ; i++) {
			cout << v[i] << " ";
		}
	} else {
		for(int i = v.size()-1; i >= 0 ; i--) {
			cout << v[i] << " ";
		}
	}
	return 0;
}