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#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    int n, t;
    cin >> n >> t;
    unsigned long long int pow = 1;
    for( int i = 0; i < n; i ++ )
    {
        pow *= 2;
    }
    vector <int> tab;
    for( int i = 0; i < pow; i ++ )
    {
        int t;
        cin >> t;
        tab.push_back(t);
    }
    if( t%2 == 0 )
    {
        for( int i = 0; i < tab.size(); i ++ ) cout << tab[i] << " ";
    }
    else
    {
        reverse(tab.begin(),tab.end());
        for( int i = 0; i < tab.size(); i ++ )
        {
            cout << tab[i] << " ";
        }
    }

    return 0;
}