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#include <iostream>
using namespace std;
int main()
{
    int i,k,t;
    int n = 2;
    cin>>k;
    cin>>t;
    for(i=0;i<k-1;i++)
        n = n*2;
    int tab[n];
    for(i=0;i<n;i++)
        cin>>tab[i];
    if(t%2 == 0)
        for(i=0;i<n;i++)
            cout<<tab[i]<<"\t";
    else
        for(i=n-1;i>=0;i--)
            cout<<tab[i]<<"\t";
    return 0;
}