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#include <iostream>
#include <vector>

int card_number(int a, int t) {
	if(t == 1) {
		return a;
	} else {
		a = a * 2;
		t = t - 1;
		return card_number(a, t);
	}	
}

int main() {
	int n;
	int t;
	std::vector<int> numbers;
	scanf("%d", &n);
	scanf("%d", &t);
	int temp;
	int cards = card_number(2, n);
	for(int i = 0; i < cards; i++) {
		scanf("%d", &temp);
		numbers.push_back(temp);
	}
	if(t % 2 == 0) {
		for(std::vector<int>::iterator it = numbers.begin(); it != numbers.end(); it++) {
			std::cout << *it << " ";
		}
	} else {
		for(std::vector<int>::iterator it = numbers.end()-1; it >= numbers.begin(); it--) {
			std::cout << *it << " ";
		}
	}
}