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#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main()
{
    int n, t;
    cin >> n >> t;
    int count = 1;
    for (int i = 0; i < n; i++)
    {
        count *= 2;
    }

    vector<int> cards;

    for (int i = 0; i < count; i++)
    {
        int num;
        cin >> num;
        cards.push_back(num);
    }

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

    return 0;
}