#include <fstream>
#include <algorithm>
#include <vector>

using namespace std;

ifstream f("permutari.in");
ofstream g("permutari.out");

int main()
{
    int n;
    vector<int> sl;

    f>>n;
    for(int i=1;i<=n;i++)
        sl.push_back(i);

    do{
        for(int i=0;i<sl.size();i++)
            g<<sl[i]<<" ";
        g<<'\n';
    }while(next_permutation(sl.begin(),sl.end()));

    return 0;
}