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#include <stdio.h>
#include <algorithm>

using namespace std;

int A[3000000];

int main() {
        int n, t;
        scanf("%d %d", &n, &t);
        int i2n = 1<<n;
        for (int i=0; i<i2n; ++i) {
                scanf("%d", &A[i]);
        }

        if ((t&1) == 1) {
                for (int i=i2n-1; i>=0; --i) {
                        printf("%d ", A[i]);
                }
        } else {
                for (int i=0; i<i2n; ++i) {
                        printf("%d ", A[i]);
                }
        }
        return 0;
}