#include <fstream>
#include <algorithm>
#include <vector>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int main()
{
    int i,n;
    f>>n;
    vector<int> v;
    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()));
    g.close();
    return 0;
}