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

int main()
{
    ifstream f("permutari.in");
    ofstream g("permutari.out");
    int i, n;
    vector <int> v;
    f >> n;
    for (i=1; i<=n; ++i)
        v.push_back(i);
        do {
                for (i=0; i < n; ++i)
                  g << v[i] << ' ';
        g << "\n";
        } while (next_permutation(v.begin(),v.end()));
    return 0;
}