#include <fstream>

using namespace std;
    ifstream in ("permutari.in");
    ofstream out ("permutari.out");

int n,ocup[10],perm[10];

void calc(int pos)
{
    if (pos==n+1)
    {
        for (int i=1;i<=n;++i) out<<perm[i]<<" ";
        out<<"\n";
    }else
    {
        for (int i=1;i<=n;++i)
        {
            if (ocup[i]==0)
            {
                perm[pos]=i;
                ocup[i]=1;
                calc(pos+1);
                ocup[i]=0;
            }
        }
    }
}

int main()
{

    in>>n;

    calc(1);

    in.close();
    out.close();
    return 0;
}