#include <iostream>
#include <fstream>

using namespace std;

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

int sol[10],n;
bool s[10];
void cit(){
    for(int i=1;i<=n;i++){
        out << sol[i] << " ";
    }
    out << "\n";
}
void permutare(int k){

    for(int i=1;i<=n;i++){
        if(s[i]==false){
            s[i]=true;
            sol[k]=i;
            if(k<n){
                permutare(k+1);
            }
            else
                cit();
            s[i]= false;

        }

    }
}


int main()
{
    in >> n;
    permutare(1);

}