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#include <iostream>

using namespace std;

int main()
{
    int n, k = 1, t;
    cin >> n >> t;

    for (int i = 0; i < n; i++)
        k *= 2;

    int *tab = new int[k];

    for (int i = 0; i < k; i++)
        cin >> tab[i];

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

    else
        for (int i = k-1; i >= 0 ; i--)
            cout << tab[i] << " ";

    delete [] tab;

    return 0;
}