1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
// VSCF.cpp : Defines the entry point for the console application.
//
#include <climits>
#include <queue>
#include <bitset>
#include <cassert>
#include <functional>
#include <cmath>
#include <list>
#include <cstdio>
#include <iostream>
#include <algorithm>
#include <iterator>
#include <string>
#include <vector>
#include <set>
#include <deque>
#include <map>
#include <iomanip>
#include <sstream>
using namespace std;
typedef long long LL;
typedef pair<int, int> PII;
#define MP make_pair
#define FOR(v,p,k) for(int v=p;v<=k;++v)
#define FORD(v,p,k) for(int v=p;v>=k;--v)
#define REP(i,n) for(int i=0;i<(n);++i)
#define VAR(v,i) __typeof(i) v=(i)
#define FOREACH(i,c) for(VAR(i,(c).begin());i!=(c).end();++i)
#define PB push_back
#define ST first
#define ND second
#define SIZE(x) (int)x.size()
#define ALL(c) c.begin(),c.end()
#define int long long
#define MAXN 1000010
typedef long double LD;

#undef int
int main() {
#define int long long
	ios_base::sync_with_stdio(0);
	int n, t;
	cin >> n >> t;
	vector<int> perm(1LL << n);
	REP(i, perm.size()){
	  cin >> perm[i];
	}
	if(t & 1){
	  reverse(ALL(perm));
	}
	REP(i, perm.size()){
	  cout<<perm[i]<<" ";
	}
	return 0;
}