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

main() {
    ifstream cin("permutari.in");
    ofstream cout("permutari.out");
    int n;
    cin>>n;
    vector<int> a;
    for (int i = 0; i < n; i++) {
        a.push_back(i+1);
    }
    do {
        copy(a.begin(), a.end(), ostream_iterator<int>(cout, " "));
        cout<<"\n";
    } while(next_permutation(a.begin(), a.end()));
}