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#include <iostream>

using namespace std;

int potega( int a, int wyk )
{
    if ( wyk == 0 ) return 1;
    if ( wyk %2 == 1 )
    {
        return potega( a, wyk - 1 ) * a;
    }

    int t = potega( a, wyk /2 );
    return t*t;
}

int tab[2000000];

int main()
{
    int n, t;
    cin>>n>>t;
    int l = potega( 2, n );
    t %= 2;
    for ( int i = 0; i < l; i++ )
    {
        cin>>tab[i];
    }
    if ( t == 0 )
    {
        for ( int i = 0; i < l; i++ )
        {
            cout<<tab[i]<<" ";
        }
    }
    else
    {
        for ( int i = l - 1; i >= 0; i-- )
        {
            cout<<tab[i]<<" ";
        }
    }
    return 0;
}