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#include <bits/stdc++.h>

#define FOR(i,b,e) for(int i=(b); i <= (e); ++i)
#define FORD(i,b,e) for(int i=(b); i >= (e); --i)
#define SIZE(c) (int) (c).size()
#define FORE(i,c) FOR(i,0,SIZE(c)-1)
#define FORDE(i,c) FORD(i,SIZE(c)-1,0)

#define pb push_back
#define mp make_pair
#define st first
#define nd second

using namespace std;

typedef long long ll;
typedef pair <int,int> pii;
typedef pair <ll,ll> pll;

typedef vector <int> VI;
typedef vector <bool> VB;
typedef vector <pii> VP;
typedef vector <ll> VL;
typedef vector <pll> VPL;

typedef vector <VI> VVI;
typedef vector <VL> VVL;
typedef vector <VB> VVB;
typedef vector <VP> VVP;

const int MOD = 1000000007;
const int INF = 1000000001;
const ll LINF = 1000000000000000001LL;

/*************************************************************************/

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

    int N = 1 << n;
    
    VI tab(N);
    FOR(i,0,N-1) {
        scanf("%d", &tab[i]);
    }
    
    if (t % 2) {
        FOR(i,0,N-1) {
            int j = i ^ (N - 1);
            if (i < j) {
                swap(tab[i], tab[j]);
            }
        }
    }
    
    FOR(i,0,N-1) {
        printf("%d ", tab[i]);
    }

    return 0;
}

/*************************************************************************/