#include <fstream>

using namespace std;

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

int n, viz[17];

inline void bkt(int k)
{
    for (int i = 1; i <= n; ++i)
    {
        if (viz[i])
            out << i << " ";
    }
    out << '\n';
    for (int i = k + 1; i <= n; ++i)
    {
        if (!viz[i])
        {
            viz[i] = 1;
            bkt(k + 1);
            viz[i] = 0;
        }
    }
}

int main()
{
    in >> n;
    for (int i = 1; i <= n; ++i)
    {
        viz[i] = 1;
        bkt(i);
        viz[i] = 0;
    }
    return 0;
}