#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
 vector<int> v;
int main ()
{
    int N;
    cin >> N;
    for (int i = 1; i <= N; ++i)
        v.push_back(i);
    do
    {
        for (int i = 0; i < N; ++i)
            cout << v[i] << ' ';
        cout << '\n';
    }
    while (next_permutation(v.begin(), v.end()));
}