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

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

    int N;
    vector<int> v;

    in >> N;
    for (int i = 1; i <= N; ++i)
        v.push_back(i);
    do {
        for (int i = 0; i < N; ++i)
            out << v[i] << ' ';
        out << '\n';
    } while (next_permutation(v.begin(), v.end()));
}