#include <fstream>

using namespace std;

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

int v[10];
bool f[10];

void generare_permutari(int k, int nr){
    if(k == nr){
        for(int i = 0; i < nr; i ++){
            cout << v[i] << " ";
        }
        cout << "\n";
    }
    else {
        for(int i = 1; i <= nr; i ++){
            if(f[i] == 0){
                v[k] = i;
                f[i] = true;
                generare_permutari(k + 1, nr);
                f[i] = false;
            }
        }
    }
}

int main(){
    int n;
    cin >> n;
    generare_permutari(0, n);
}