#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

void makeTree(int k, vector<int>& v, int& pos, int& val)
{
    if(k <= 0)
        return;

    int tmp = pos;
    ++ pos;
    makeTree(k-1, v, pos, val);
    v[tmp] = val;
    ++ val;
    makeTree(k-1, v, pos, val);
}

int main()
{
    int k;
    cin >> k;

    int n = (1<<k) - 1;
    vector<int> v(n);
    int pos = 0;
    int val = 1;
    makeTree(k, v, pos, val);

    swap(v[0], v[1]);
    cout << v[0];
    for(int i=1; i<n; ++i)
        cout << ' ' << v[i];
    cout << endl;

    return 0;
}