#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;
using ll = long long ;
using P = pair<int,int> ;
using pll = pair<long long,long long>;
constexpr int INF = 1e9;
constexpr long long LINF = 1e17;
constexpr int MOD = 1000000007;
vector<int> num,ans;
int K;

void dfs(int l=0,int r=(1<<K)-1){
    ans.push_back(num[(l+r)/2]);
    if(l+1==r) return;
    dfs(l,(l+r)/2);
    dfs(1 + (l+r)/2,r);
    return;
}

int main(){
    cin >> K;
    num.resize((1<<K)-1);
    iota(num.begin(),num.end(),1);
    dfs();
    int sz = ans.size();
    swap(ans[sz-1],ans[sz-3]);
    rep(i,ans.size()) cout << ans[i] << " " ;
    cout << endl;
    return 0;
}