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#include <cstdio>
#include <vector>
using namespace std;

vector<int> tab;
int n, a, b;
int main() {
  scanf("%d%d", &n, &a);
  n = 1<<n;
  if ((a % 2) == 0){
    while(n--){
      scanf("%d", &b);
      printf("%d ", b);
    }
    printf("\n");
  } else {
    while(n--) {
      scanf("%d", &b);
      tab.push_back(b);
    }
    while (tab.size() > 0) {
      printf("%d ", tab.back());
      tab.pop_back();
    }
    printf("\n");
  }
}