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

using namespace std;

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

    int n;
    vector<int> v;

    fin >> n;
    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()));
    
    return 0;
}