#include <bits/stdc++.h>
using namespace std;

int main()
{
    ifstream f("permutari.in");
    ofstream g("permutari.out");
    int n;
    f >> n;
    vector<int> v(n);
    iota(begin(v), end(v), 1);
    do{
        copy(begin(v), end(v), ostream_iterator<int>(g, " "));
        g << '\n';
    } while(next_permutation(begin(v), end(v)));
    return 0;
}