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#include <cstdlib>
#include <iostream>
#include <math.h>

using namespace std;

int main(int argc, char** argv) {

    long input[2000000];
    long n;
    long t;
    long range;
    
    cin >> n;
    cin >> t;
    
    range = (long) pow(2, n);
    
    for (int i=0; i<range; i++) {
        cin >> input[i];
    }
    
    if (t % 2 == 0) {
        for (int i=0; i<range; i++) {
            cout << input[i] << " ";
        }
    } else {
        for (int i=range-1; i>=0; i--) {
            cout << input[i] << " ";
        }
    }
    
    return 0;
}