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

using namespace std;

ifstream F ("permutari.in");
ofstream G ("permutari.out");

int n, v[20];

int main()
{
    F >> n;
    for (int i = 0; i < n; ++ i)
        v[i] = i + 1;
    do
    {
        for (int i = 0; i < n; ++ i)
            G << v[i] << " ";
        G << '\n';
    } while (next_permutation(v, v + n));
    return 0;
}