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#include <iostream>
#include <cmath>

using namespace std;

int tab[2000007];

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