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

void back(int k)
{
    int i,j,t;

    if(k==n)
    {
        for(i=1;i<=n;i++)
            g<<S[i]<<" ";
            g<<endl;
    }
    else {
        for(i=1;i<=n;i++){
                t=1;
                for(j=1;j<=k;j++)
                    if(S[j]==i) {t=0;break;}

              if (t)
              {
                  S[k+1]=i;
                  back(k+1);

              }






        }



}
}



int main()
{ f>>n;
 back(0);



    return 0;
}