#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

int permutare[9], use[9], n;

void bkt(int k)
{
    int i;
    if (k==n+1)
        {
            for (i=1;i<=n;i++)
                fout<<permutare[i]<<" ";
            fout<<'\n';
            use[permutare[n]]=0;
        }
    else for (i=1;i<=n;i++)
        if (use[i]==0)
        {
            permutare[k]=i;
            use[i]=1;
            bkt(k+1);
        }
    use[permutare[k-1]]=0;
}

int main()
{
    fin>>n;
    bkt(1);
    return 0;
}