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