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#include <iostream>
#include <algorithm>
#include <vector>

typedef unsigned long long int ull;
using namespace std;

ull power(ull numb, ull pow)
{
    ull result=1;
    for(; pow; pow--)
    {
        result*=numb;
    }
    return result;
}

int main()
{
    ull n, t, dwadoen, help;
    vector<ull> v;
    cin>>n>>t;
    dwadoen=power(2, n);
    for(ull i=0; i<dwadoen; i++)
    {
        cin>>help;
        v.push_back(help);
    }
    if(t%2==1)
        reverse(v.begin(), v.end());

    for(ull i=0; i<v.size(); i++)
            if(i==v.size()-1)
                cout<<v[i];
            else
                cout<<v[i]<<" ";
    return 0;
}