#include<fstream>
#define Max 1000
using namespace std;

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

int n,x[Max],pus[Max];
void afis(){
     int i;
     for(i = 1; i <= n; i++)
     fout<<x[i]<<" ";
     fout<<"\n";
}
void perm(int k){
     int i;
     for(i = 1; i <= n; i++)
     if(!pus[i]){
                 x[k] = i;
                 pus[i] = 1;
                 if(k == n)afis();
                 else
                 perm(k+1);
                 pus[i] = 0;
                 }
}
int main(){
    fin>>n;
perm(1);
fin.close();
fout.close();
return 0;
}