#include <fstream>
#include <bitset>
#define NMAX 20

using namespace std;

ifstream f("submultimi.in");
ofstream g("submultimi.out");

int i, n, cont, j;
bitset <NMAX> v;

int main()
{
    f>>n;
    cont=(1<<n);
    for (i=1; i<=cont; ++i)
    {
        v=i;
        for (j=0; j<=n-1; ++j)
            if (v[j]==1) g<<j+1<<" ";
        g<<'\n';
    }
    return 0;
}