#include <fstream>
using namespace std;

ofstream fout ("permutari.out");
int N, viz[10], perm[10];
void print() {
    for (int i = 1; i <= N; i++)
        fout << perm[i] << " ";
    fout << '\n';
}
void backTracking(int P)
{
    if (P > N) {
        print();
        return;
    }
    for (int i = 1; i <= N; i++)
        if (viz[i] == 0){
            viz[i] = 1;
            perm[P] = i;
            backTracking (P + 1);
            viz[i] = 0;
        }
}
int main()
{
    ifstream fin ("permutari.in");
    fin >> N;
    backTracking (1);
    return 0;
}