#include "bits/stdc++.h"
using namespace std;
#define ll long long int
#define rep(i,n) for( int i = 0; i < n; i++ )
#define rrep(i,n) for( int i = n; i >= 0; i-- )
#define REP(i,s,t) for( int i = s; i <= t; i++ )
#define RREP(i,s,t) for( int i = s; i >= t; i-- )
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define INF 2000000000
#define mod 1000000007
#define INF2 1000000000000000000

vector<int> v;
int K, V, mid;

void dfs(int x, int d) {
	v.push_back(x);
	if (d == 0) return;
	dfs(x - d, d / 2);
	dfs(x + d, d / 2);

}


int main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
	cin >> K;
	V = (int)(pow(2, K) + 0.5) - 1;
	mid = (V + 1) / 2;
	dfs(mid, mid / 2);
	rep(i, (v.size() + 1) / 2) {
		if (i != 0) cout << " ";
		cout << v[i] + 1;
	}
	cout << " 1";
	REP(i, (v.size() + 1) / 2, V - 1) {
		if (v[i] == v[0] + 1) continue;
		cout << " " << v[i];
	}
	cout << endl;

    return 0;
}