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#include <iostream>
#include "stdio.h"

#define FOREACH(n) for(int x = 0; x < n; x ++)

using namespace std;

int main()
{
    int n, NumberMixed, t = 1, *tab, *a;

    scanf("%d", &n);
    scanf("%d", &NumberMixed);

    FOREACH(n)
        t *= 2;

    tab = new int[t];
    a = tab;

    FOREACH(t)
    {
        cin>>*a;
        a ++;
    }

    if(NumberMixed % 2 == 0)
    {
        a = tab;

        FOREACH(t)
        {
        cout<<*a<<" ";
        a ++;
        }
    }
    else
    {
        a -= 1;

        FOREACH(t)
        {
        cout<<*a<<" ";
        a --;
        }
    }

    return 0;
}