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//Janusz Partyka

#include <iostream>

using namespace std;

int tab[1500000];
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, t;
    cin >> n >> t;

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