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// Zadanie: Tasowanie [B]
// Autor: Arkadiusz Roussau

#include <iostream>
#include <cstdio>
using namespace std;

const int P2 = 1048578;
int n, t, p = 1, cards[P2], val;

int main() {
    scanf("%d %d", &n, &t);

    p <<= n;

    for (int i = 1; i <= p; ++i) {
        scanf("%d", &val);
        cards[i] = val;
    }

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

    return 0;
}