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#include <cstdio>

int main() {
  int n, t;
  scanf("%d%d", &n, &t);  
  int cardsCount = 1 << n;  
  int *cards = new int[cardsCount];

  for(int i = 0; i < cardsCount; i++) {
    scanf("%d", &cards[i]);
    if(t % 2 == 0) {
      printf("%d ", cards[i]);
    }
  }
  if(t % 2 == 1) {
    for(int i = cardsCount - 1; i >= 0; i--) {
      printf("%d ", cards[i]);
    }
  }
  printf("\n");
  
  return 0;
}