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#include <iostream>
#include <math.h>
#include <vector>
using namespace std;

int main(){
    ios_base::sync_with_stdio(0);
    int n, t;
    cin >> n >> t;
    n = pow(2, n);
    vector<int> cards;
    for(int i=0; i<n; i++){
        int x;
        cin >> x;
        cards.push_back(x);
    }
    if(t%2 == 0){
        for(int i=0; i<n; i++){
            cout << cards[i] << " ";
        }
    }
    else {
        for(int i=n-1; i>=0; i--){
            cout << cards[i] << " ";
        }
    }
    return 0;
}