#include<fstream>
using namespace std;

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

int st[9], folosit[9], n;

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

        fout << '\n';
    }
    else
        for (int i = 1; i <= n; i++)
            if (!folosit[i])
            {
                st[k] = i;

                folosit[i] = 1;
                back (k + 1);
                folosit[i] = 0;
            }
}

int main()
{
    fin >> n;

    back (1);

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

    return 0;
}