#include<bits/stdc++.h>
#pragma gcc optimize("O3")
#define all(s) s.begin(),s.end()
#define rc(x) return cout<<x<<endl,0
#define forn(i,n) for(int i=0;i<int(n);i++)
#define len(a) (int) (a).size()
#define pb push_back
#define mp make_pair
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
typedef std::vector < std::pair < int, int > > vii;
typedef std::vector < int > vi;
const int nmax=0;
const int mod=1e9+7;
const ll inf=0x3f3f3f3f3f3f3f3f;
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
vi v; int n;
void print()
{
    if (!v.empty())
    {
    for (int i = 0; i < v.size(); i++)
    fout << v[i] << " ";
    fout << "\n";
    }
}
void bk(int k)
{
    if (k == n) print();
    else
    {
        bk(k + 1);
        v.pb(k + 1);
        bk(k + 1);
        v.pop_back();
    }
}
int main()
{
  //freopen("input.txt","r",stdin);
  //freopen("output.txt","w",stdout);
  ios_base::sync_with_stdio(0); cin.tie(0);
  fin >> n;
  bk(0);
  return 0;
}