#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
vector <int> v;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
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;
}