#include <fstream>
#define DIM 10
using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N,sol[DIM],b[DIM];
void afis(){
    for(int i=1;i<=N;i++)
        fout<<sol[i]<<" ";
    fout<<"\n";
}
void back(int k){
    if(k==N+1){
        afis();
        return;
    }
    for(int i=1;i<=N;i++)
        if(!b[i]){
            b[i]=1;
            sol[k]=i;
            back(k+1);
            b[i]=0;
        }
}
int main(){
    fin>>N;
    back(1);
    fin.close();fout.close();
}