#include <fstream>
#include <algorithm>

using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n,i;
vector <int> v;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
        v.push_back(i);

    do
    {
        for(auto it : v)
            fout<<it<<' ';
        fout<<'\n';
    }
    while(next_permutation(v.begin(), v.end()));
    return 0;
}