#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");

int x[9], n;

void Afis()
{
    for (int j = 1; j <= n; j++)
        fout << x[j] << " ";
    fout << endl;
}

bool OK(int k) {
    for (int i = 1; i < k; ++i)
        if (x[k] == x[i])
            return false;
    return true;
}

bool Solutie(int k)
{
    return k == n;
}

void back(int k) {
    for (int i = 1; i <= n; ++i)
    {
        x[k] = i;
        if (OK(k))
            if (Solutie(k))
                Afis();
            else
                back(k + 1);
    }
}
int main() {
    fin >> n;
    back(1);
    return 0;
}