# include <fstream>
using namespace std;
ifstream in("submultimi.in");
ofstream out("submultimi.out");
int n;
int v[17];
void rec(int k)
{
    int i;
    if (k==n+1) {for (i=1;i<=n;i++) if (v[i]) out<<i<<' ';out<<'\n';}
    else
    {
        v[k]=1;
        rec(k+1);
        v[k]=0;
        rec(k+1);
    }
}
int main()
{
    in>>n;
    rec(1);
    return 0;
}