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#include <cstdio>

#define N 20

int tab[1 << N];
int main() {
	int n, t;
	
	scanf("%d %d\n", &n, &t);

	int k = 1 << n;

	for (int i = 0; i < k; i++) {
		scanf("%d", &tab[i]);
	}

	if (t % 2 == 0) {
		for (int i = 0; i < k; i++) {
			printf("%d ", tab[i]);
		}
	
	} else {
		for (int i = k - 1; i >= 0; i--) {
			printf("%d ", tab[i]);
		}
	}

	return 0;
}