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

int main () {

    ifstream f("permutari.in");
    ofstream g("permutari.out");

    int N;
    vector<int> v;

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