#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
int main()
{
    int N;
    vector<int> perms;
    ifstream in("permutari.in");
    in >> N;
    in.close();
    ofstream out("permutari.out");
    for(int i = 1; i <= N; ++i)
        perms.push_back(i);
    do
    {
        for(int i = 0; i < perms.size(); ++i)
            out << perms[i] << " ";
        out << "\n";
    }
    while(next_permutation(perms.begin(), perms.end()));
    out.close();
    return 0;
}