# include <fstream>
# define DIM 10
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int v[DIM],n;
int verif(int k){
    for(int i=1;i<k;i++)
        if(v[i]==v[k])
            return 0;
    return 1;
}
void back(int k){
    if(k==n+1){
        for(int i=1;i<=n;i++)
            fout<<v[i]<<" ";
        fout<<"\n";
        return;
    }
    for(int i=1;i<=n;i++){
        v[k]=i;
        if(verif(k))
            back(k+1);
    }
}
int main () {
    fin>>n;
    back(1);
    return 0;
}