#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<string>
#include<algorithm>
#include<cmath>
#include<queue>
#include<vector>
#include<stack>
using namespace std;

#define REP(i,n) for(int i=0;(i)<(n);(i)++)
#define ll long long

int mid;
void rec(int s, int f) {
	if (s == f) {
		cout << s << " ";
		return;
	}
	if (s > f) return;
	int tmp = (f + s - 1) / 2;
	cout << tmp << " ";
	rec(s, tmp - 1);
	rec(tmp + 1, f);
}

int main() {
	int N;
	cin >> N;
	
	mid = 1;
	REP(i, N) {
		mid *= 2;
	}

	mid--;

	rec(1, mid);

	cout << endl;
	return 0;
}