#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n;
int perm [10];
bool diferit (int x, int l)
{
    for (int i = 1; i <= l; i++)
        if (x == perm[i])
            return false;
    return true;
}
void tipar ()
{
    for (int i = 1; i <= n; i++)
        fout << perm[i] << " ";
    fout << "\n";
}
void bkt (int k)
{
    if (k == n + 1)
        tipar ();
    for (int i = 1; i <= n; i++)
        if (diferit (i, k - 1))
        {
            perm[k] = i;
            bkt (k + 1);
        }
}
int main ()
{
    fin >> n;
    bkt (1);
}