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