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#include <iostream>
#include <vector>

using namespace std;

typedef long long int LL;

 main()
 {
    
    LL l, n;
    cin >> n;
    cin >> l;
    n = 1 << n;
    
    vector<LL> a(n);
    
    for (LL i=0; i<n; i++)
	cin >> a[i];
    
    if ( l % 2 )
	for (LL i=n-1; i>=0; i--)
	    cout << a[i] << " ";
    else
        for (LL i=0; i<n; i++)
	    cout << a[i] << " ";

    cout << endl;
 return 0;	
 }