#include <bits/stdc++.h>
#define ll long long
#define pb push_back

using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
vector<int>v;
int n;
void show(){
    if(!v.size())
        return;
    for(int i:v)
        fout<<i<<' ';
    fout<<'\n';
}
void bkt(int i){
    if(i==n+1)
        return;
    v.pb(i);
    show();
    bkt(i+1);
    v.pop_back();
    bkt(i+1);
}
int main()
{
    fin>>n;
    bkt(1);
    return 0;
}