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#include <iostream>

using namespace std;

int tab[2000000 + 5];

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(NULL);

	int n, t;
	cin >> n >> t;
	long long pom = (1<<n), akt;
	
	for(int i = 0; i < pom; i++)
		cin >> tab[i];

	if(t%2 == 0){
		for(int i = 0; i < pom; i++)
			cout << tab[i] << " ";

	} else {
		for(int i = pom - 1; i >= 0; i--)
			cout << tab[i] << " ";
	}
	
	return 0;

}