#include <fstream>

#define NMAX 13
using namespace std;

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

void back(int poz);

int a[NMAX], uz[NMAX];
int n;
int main()
{
    fin >> n;
    back(1);
    return 0;
}
void back(int poz)
{
    if (poz == n+1)
    {
        for (int i = 1; i <= n; ++i)
            fout << a[i] << " ";
        fout << '\n';
    }

    for (int i = 1; i <= n; ++i)
    {
        if (!uz[i])
        {
            a[poz] = i;
            uz[i] = 1;
            back(poz + 1);
            uz[i] = 0;
            a[poz] = 0;
        }
    }
}