#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>

std::ifstream fin("permutari.in");
std::ofstream fout("permutari.out");

int N, aux;
std::vector <int> v;

int main(int argc, char *argv[]){
    fin >> N;
    for (int i = 1; i <= N; ++i)
        v.push_back(i);
    do {
        for (int i = 0; i < N; ++i)
            fout << v[i] << ' ';
        fout << '\n';
    } while (std::next_permutation(v.begin(), v.end()));
    return 0;
}