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#include<iostream>
using namespace std;
int n,t,c=1;
int tab[1048576];
int main()
{
	cin>>n>>t;
	for (int i=0;i<n;i++)
		c*=2;
	for (int i=0;i<c;i++)
		cin>>tab[i];
	if(t%2==0)
	{
		for (int i=0;i<c;i++)
			cout<<tab[i];
	}
	else
	{
		for (int i=c-1;i>=0;i--)
			cout<<tab[i]<<' ';
	}	
}