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