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#include <cstdio>
#include <iostream>
#include <cmath>
using namespace std;

int a[2000005];

int main() {
	ios_base::sync_with_stdio(0);
	int n, t;
	cin >> n >> t;
	n = pow(2,(double)n);
	
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	
	for(int i = 1; i <= n; i++) {
		if(t % 2 == 0) cout << a[i] << " ";
		else cout << a[n-i+1] << " ";
	}
	
	return 0;
}