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#include<iostream>
#define MAXN 1048581

using namespace std;

int n, t;
int pot2;
int a[MAXN];

int main(){
	ios_base::sync_with_stdio(0);
	cin >> n >> t;
	
	//1. stworz potege:
	pot2 = 1;
	for(int i = 0; i < n; i++){
		pot2 *= 2;	
	}
	
	for(int i = 0; i < pot2; i++){
		cin >> a[i];
	}
	if(t % 2 == 0){
		for(int i = 0; i < pot2; i++){
			cout << a[i] << " ";
		}
	}
	else{
		for(int i = (pot2 - 1); i >= 0; i--){
			cout << a[i] << " ";
		}
	}
	cout << endl;
	return 0;
}