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#include <iostream>
#include <vector>

using namespace std;

int pow2(int n) {
    int res = 1;
    while (n--) {
        res *= 2;
    }
    return res;
}

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

    int n, t;
    cin >> n >> t;
    n = pow2(n);
    vector<int> a(n);
    for (int i = 0; i < n; ++i)
        cin >> a[i];

    if (t % 2 == 0) {
        for (int i = 0; i < n; ++i)
            cout << a[i] << ' ';
    } else {
        for (int i = n-1; i >= 0; --i)
            cout << a[i] << ' ';
    }
    cout << endl;
    return 0;
}