#include <fstream>
#include <vector>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
vector<int>rasp,v;
vector<bool>folosit;
void permutari(int n,int indice){
    if(indice==n+1){
        for(int i=1;i<=n;i++){
            cout<<v[i]<<" ";
        }
        cout<<'\n';
        return;
    }
    for(int i=1;i<=n;i++){
        if(!folosit[i]){
            continue;
        }
        folosit[i]=false;
        v[indice]=i;
        permutari(n,indice+1);
        folosit[i]=true;
    }
}
int main(){
    int n;
    cin>>n;
    folosit.resize(n+1,true);
    v.resize(n+1);
    permutari(n,1);
}