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#include <cstdio>

bool reversed;

void foo(int n) {
	if(!n) return;
	int x;
	scanf("%d", &x);
	if(!reversed) printf("%d ", x);
	foo(n - 1);
	if(reversed) printf("%d ", x);
}

int main() {
	int n, t;
	scanf("%d%d", &n, &t);
	reversed = t & 1;
	foo(1 << n);
	printf("\n");
}