#include <vector>
#include <fstream>
#include <algorithm>
using namespace std;


int main()
{
    ifstream in("permutari.in");
    ofstream out("permutari.out");

    int N;
    vector<int> a;
    in >> N;
    a.reserve(N);
    for (int i = 1; i <= N; ++i)
        a.push_back(i);

    do
    {
        for (int i = 0; i < N; ++i)
            out << a[i] << " ";
        out << '\n';
    } while ( next_permutation(a.begin(), a.end()) );
    return 0;
}