#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int sol[10], n;
bool verifica[9];
void prelucrare ()
{
    for(int i=1; i<=n; i++)
        out<< sol[i]<<" ";
    out<<"\n";
}
void bkt (int p)
{
    if (p-1==n)
    {
        prelucrare ();
        return;
    }
    for(int i=1; i<=n; i++)
    {
        sol[p]=i;
        if(verifica[i]) continue;
        verifica[i]= true;
        bkt(p+1);
        verifica[i]=false;
    }
}
int main ()
{
    in>>n;
    bkt(1);
    return 0;
}