#include <iostream>
#include <fstream>

using namespace std;

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

int N;
int St[10], Viz[10];

void Afisare ()
{
    int i;

    for (i = 1; i <= N; i ++)
        out << St[i] << " ";

    out << "\n";
}

void Back (int K)
{
    if (K == N + 1){
        Afisare ();
        return;
    }

    int i;

    for (i = 1; i <= N; i ++)
        if (!Viz[i]){
            Viz[i] = 1;
            St[K] = i;
            Back (K + 1);
            Viz[i] = 0;
        }
}

int main()
{
    in >> N;
    Back (1);

    return 0;
}