#include <fstream>
#define DMAX 10

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

int n;
int sol[DMAX];
bool uz[DMAX];

void permutari(int k);

int main()
{
fin>>n;
permutari(1);
fout.close();
return 0;
}

void permutari(int k)
{
int i;

if (k==n+1)
    {
        for (i=1; i<=n; ++i)
            fout<<sol[i]<<' ';
        fout<<'\n';
        return;
    }
for (i=1; i<=n; ++i)
    if (!uz[i])
        {
            sol[k]=i; uz[i]=1;
            permutari(k+1);
            uz[i]=0;
        }
}