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

ifstream fin("permutari.in");
ofstream fout("permutari.out");

int n;
vector<int>v;

int main()
{
    int i;
    fin>>n;
    for (i=1;i<=n;i++)
        v.push_back(i);
    do
        {
            for (i=0;i<n;i++)
                fout<<v[i]<<" ";
            fout<<"\n";
        } while (next_permutation(v.begin(),v.end()));
    return 0;
}