#include <fstream>
#include <vector>
using namespace std;
ifstream cin ("submultimi.in");
ofstream cout ("submultimi.out");
vector <int> v;
void afis()
{
    for(int i=0;i<v.size();i++)
        cout<<v[i]<< ' ';
    cout<<'\n';
}
void bkt(int val,int n)
{
    if(val> n)
    {
        afis();
        return;
    }
    v.push_back(val);
    bkt(val+1,n);
    v.pop_back();
    bkt(val+1,n);
}
int main()
{
    int n;
    cin>>n;
    bkt(1,n);
    return 0;
}