#include #define rep(i, a, n) for(int i = a; i < n; i++) #define REP(i, n) rep(i, 0, n) #define repb(i, a, b) for(int i = a; i >= b; i--) #define all(a) a.begin(), a.end() #define int long long #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) using namespace std; typedef pair P; const int mod = 1000000007; const int INF = 1e12; signed main(){ ios::sync_with_stdio(false); cin.tie(0); int k; cin >> k; int n = (1 << k) - 1; int s = n / 2 + 1; vector ans; for (int i = s; i >= 1; i--){ ans.push_back(i); } for(int i = s + 1; i <= n; i++){ ans.push_back(i); } rep(i, 0, ans.size()){ if(i != 0) cout << " "; cout << ans[i]; } cout << endl; }