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

int main()
{

    f>>n;
    for(int i=1;i<=n;i++)v.push_back(i);
    do
    {
        for(int i=0;i<n;i++)g<<v[i]<<" ";
        g<<'\n';
    }while(next_permutation(v.begin(),v.end()));
    f.close();g.close();
    return 0;
}