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#include <iostream>
#include <cmath>
using namespace std;

const int N = 1100000;

int card[N];

int main() {
    ios_base::sync_with_stdio(0);

    int n, t;

    cin >> n >> t;

    n = pow(2, n);

    for (int i = 0; i < n; i++) {
        cin >> card[i];
    }


    if (t % 2 == 0) {
        for (int i = 0; i < n; i++) {
            cout << card[i] << " ";
        }
    }
    else {
        for (int i = n - 1; i >= 0; i--) {
            cout << card[i] << " ";
        }
    }

    return 0;
}