#include <fstream>
using namespace std;
ifstream in ("permutari.in");
ofstream out ("permutari.out");
int n, x[9], fr[9];

void afis()
{
    for (int i = 1; i <= n; i++)
        out << x[i] << " ";
    out << '\n';
}

void back(int k)
{
    for (int i = 1; i <= n; i++)
        if (!fr[i])
        {
            x[k] = i; fr[i] = 1;
            if (k == n) afis();
            back(k + 1); fr[i] = 0;
        }
}

int main()
{
    in >> n; back(1);
    out.close(); return 0;
}