#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
std::vector<int> a;
int main()
{
    fin>>n;
    for(int i=1;i<=n;++i)a.push_back(i);
    do
    {
        for(int i=0;i<n;++i)
        {
            fout<<a[i]<<" ";
        }
        fout<<'\n';
    }while(next_permutation(a.begin(),a.end()));
    return 0;
}