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

main()
{
    int n, t;
    cin >> n >> t;
    if(t%2==0)
    {
        for (int i=0; i<(1<<n); i++)
        {
        int a;
        cin >> a;
        cout << a << " ";
        }
    }
    else
    {
        vector <int> odp;
        for (int i=0; i<(1<<n); i++)
        {
            int a;
            cin >> a;
            odp.push_back(a);
        }
        for (int i=odp.size()-1; i>=0; i--) cout << odp[i] << " ";
    }
    cout << endl;
}