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#include <iostream>
#include <list>
#include <cmath>

std::list < long int > L;

int main()
{
    int n; 
    long int t;
    long int a;
    std::cin >> n >> t;
    if (t%2 == 0)
    {
        for( long long int i=0; i<(1<<n); ++i)
        {
	    std::cin >> a;
	    L.push_back( a );
        }
    }
    else
    {
        for( long long int i=0; i<(1<<n); ++i)
        {
    	    std::cin >> a; 
	    L.push_front( a );
	}
    }

    std::list< long int >::iterator it;
    for( it = L.begin(); it != L.end(); ++it)
    {
	std::cout << *it << " ";
    }
    std::cout << std::endl;
    return 0;
}