#include <fstream>

using namespace std;

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

int n;
bool use[9];
int perm[9];

void afisare()
{
    for (int i = 1; i <= n; i++)
        fout << perm[i] << ' ';
    fout << '\n';
}

void permutari(int w)
{
    for (int i = 1; i <= n; i++)
    {
        if (not use[i])
        {
            perm[w] = i;
            use[i] = 1;
            if (w < n)
                permutari(w + 1);
            else
                afisare();
            use[i] = 0;
        }
    }
}


int main()
{
    fin >> n;
    permutari(1);
    return 0;
}