#include <fstream>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n,v[15];
bool viz[15];
void afisare()
{
    for(int i=1;i<=n;i++)
        cout<<v[i]<<" ";
    cout<<"\n";
}
void back (int k)
{
    if(k>n)
        afisare();
    else
    {
        for(int i=1;i<=n;i++)
            if(viz[i]==0)
            {
                v[k]=i;
                viz[i]=1;
                back(k+1);
                viz[i]=0;
            }
    }
}
int main()
{
    cin>>n;
    back(1);
    return 0;
}