#include <fstream>
using namespace std;
 
ofstream fout ("permutari.out");
int n, vizitat[10], permutari[10];

void print() {
    for (int i = 1; i <= n; i++)
        fout << permutari[i] << " ";
    fout << '\n';
}

void backTracking(int P)
{
    if (P > n) {
        print();
        return;
    }
    for (int i = 1; i <= n; i++)
        if (vizitat[i] == 0){
            vizitat[i] = 1;
            permutari[P] = i;
            backTracking (P + 1);
            vizitat[i] = 0;
        }
}
int main()
{
    ifstream fin ("permutari.in");
    fin >> n;
    backTracking (1);
    return 0;
}