#include <fstream>
using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

int n;
int x[9];
bool folosit[9];

void back(int k)
{
    if (k > n)
    {
        for (int i = 1; i <= n; i++)
        {
            fout << x[i];

            if (i < n)
                fout << " ";
        }

        fout << '\n';
        return;
    }

    for (int i = 1; i <= n; i++)
    {
        if (!folosit[i])
        {
            x[k] = i;
            folosit[i] = true;

            back(k + 1);

            folosit[i] = false;
        }
    }
}

int main()
{
    fin >> n;

    back(1);

    fin.close();
    fout.close();

    return 0;
}