#include <fstream>
using namespace std;
int n, x[30];
ofstream out ("submultimi.out");
void read ()
{
    ifstream in ("submultimi.in");
    in >> n;
    in.close ();
}
void write (int k)
{
    for (int i = 1; i <= k; ++i)
    out << x[i] << ' ';
    out << '\n';
}
bool valid (int k)
{
    for (int i = 1; i < k; ++i)
    if (x[i] >= x[k])
    return 0;
    return 1;
}
void back ()
{
    int k = 1;
    while (k)
    if (k == n + 1)
    --k;
    else
    if (x[k] < n)
    {
        ++x[k];
        if (valid (k))
        {
            write (k);
            ++k;
        }
    }
    else
    {
        x[k] = 0;
        --k;
    }
}
int main()
{
    read ();
    back ();
    out.close ();
    return 0;
}