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//Damian Kalwa
#include <iostream>
using namespace std;

int main()
{
	int n;
	int test;
	cin >> n >> test;
	int tablica[1100000];
	int kart=2;
	int i;
	int krok;
	for (i=1; i<n; i++){
		kart=kart*2;
	}
	for (i=0; i<kart; i++){
		cin >> tablica[i];
	}

	if (test % 2 == 0) {
		for (i=0; i<kart; i++){
			cout << tablica[i]<<" ";
		}
	} else {
		for (i=kart-1; i>=0; i--){
			cout << tablica[i]<<" ";
		}
	}
	
	getchar();
	return 0;		
}