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#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

vector<int> V;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n, t;
	cin >> n >> t;
	int pot = 1;
	while(n > 0) {
		pot *= 2;
		--n;
	}
	V.resize(pot);
	for(int i = 0; i < pot; ++i) cin >> V[i];
	if(t%2 == 0) {
		for(int i = 0; i <= pot-1; ++i) cout << V[i] << " ";
		cout << endl;
	}
	else {
		for(int i = pot-1; i >= 0; --i) cout << V[i] << " ";
		cout << endl;
	}
}