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

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