#include <fstream>
#include <vector>
#include <algorithm>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void Perm();
vector<int> v;
int N;
int main()
{
    fin >> N;
    Perm();
    return 0;
}
void Perm()
{
    for(int i = 1; i <= N; i++)
    v.push_back(i);
    do
    {
        for(int i = 0; i < N; i++)
        fout << v[i] << " ";
        fout << '\n';

    }while(next_permutation(v.begin(), v.end()));

}