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#include <cstdlib>
#include <stdio.h>
#include <iostream>
#include <vector>
#include <iterator>

int main()
{
	long n,t,l;
	std::cin >> n >> t;
	std::vector<int> dane(1<<n);

	for (int i=0;i<(1<<n);i++) std::cin >> dane[i];
	for (int i=0;i<(1<<n);i++) std::cout << dane[ t%2==0?i:(1<<n)-i-1] << " ";

	return 0;
}