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

int x[10], 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;
}

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