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#include <iostream>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    
    int n, t;
    cin >> n >> t;
    
    int size = 2;
    for (int i = 1; i < n; i++)
        size *= 2;
    
    int *tab = new int[size];
    for (int i = 0; i < size; i++)
        cin >> tab[i];
    
    if (t % 2 == 0) {
        for (int i = 0; i < size; i++)
            cout << tab[i] << " ";
    } else {
        for (int i = size - 1; i >= 0; i--)
            cout << tab[i] << " ";
    }
    
    cout << endl;
    
    return 0;
}