#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");

int main () {
    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()));
}