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

using namespace std;

int main(int argc, char **argv)
{
    int t, n;
    vector<int> v;
    cin >> n >>t;
    int size = 1 << n;
    v = vector<int>(size);
    for(int i = 0; i < size; i++){
        cin >> v[i];
    }
    if (t % 2 == 0){
        for(int i = 0; i < size; i++){
            cout << v[i] << " ";
        }
    } else {
        for(int i = size - 1; i >= 0; i--){
            cout << v[i] << " ";
        }
    }
	
	return 0;
}