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