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#include<cstdio>
#include<cmath>

using namespace std;

const int MAX=1050000;
int tab[MAX];
int main()
{
	int n,pn,t;
	scanf("%d%d",&n,&t);
	pn=2<<(n-1);
	for(int i=0;i<pn;++i)
		scanf("%d",&tab[i]);
	if(t%2)
		for(int i=pn-1;i>=0;--i)
			printf("%d ",tab[i]);
	else
		for(int i=0;i<pn;++i)
			printf("%d ",tab[i]);
	printf("\n");
	return 0;
}