#include<iostream.h>
#include<fstream.h>

int n,sol[100],h[100];

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

void back(int k)
{
     int i;
     if(k==n+1)
             {
               for(i=1;i<=n;i++)
                      out<<sol[i]<<" ";
               out<<endl;
               }
             else
             {
              for(i=1;i<=n;i++)
                               {
                               if(h[i]==1) continue;
                               h[i]=1;sol[k]=i;
                               back(k+1);
                               h[i]=0;
                               }
              
              }
}

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