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// PA2016, runda 1, Tasowanie
// Andrzej Pezarski


#include <cstdio>
#include <cstdlib>
#include <vector>
#include <algorithm>


using namespace std;

int main() {
    int n, t;
    scanf("%d%d", &n, &t);
    vector<int> v(1<<n);
    for (auto &x:v) scanf("%d", &x);
    if (t%2) reverse(v.begin(), v.end());
    for (auto &x:v) printf("%d ", x);
    printf("\n");
    return 0;
}