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import java.util.Scanner;

public class tas {

    public static void main(String[] args) {
	    Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int t = sc.nextInt();
        int nCards = 1 << n;
        int cards[] = new int[nCards];
        for (int i = 0; i < nCards; i++) {
            cards[i] = sc.nextInt();
        }
        if (t % 2 == 0) {
            for (int i = 0; i < nCards; i++) {
                System.out.print(cards[i] + " ");
            }
        } else {
            for (int i = nCards - 1; i >= 0; i--) {
                System.out.print(cards[i] + " ");
            }
        }
        System.out.println();
    }
}