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#include<iostream>
#include<cstdio>
#include<algorithm>
#include<vector>
#include<cmath>
using namespace std;

int main() {
    vector<int> vec;
    int n, t;

    scanf("%d%d", &n, &t);
    int num = 2;
    for(int i = 1; i < n; i++)
        num *= 2;

    int number;
    for(int i = 0; i < num; i++) {
        scanf("%d", &number);
        vec.push_back(number);
    }

    if(t&1)
        reverse(vec.begin(), vec.end());

    for(int i = 0; i < num; i++) {
        printf("%d ", vec[i]);
    }
}