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#include <fstream>
using namespace std;
int sol[11],k,n;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
void afisare()
{
for (int i=1;i<=n;i++)
fout<<sol[i]<<" ";
fout<<'\n';
}
int ok (int k)
{
for (int i=1;i<k;i++)
if (sol[i]==sol[k])return 0;
return 1;
}
void permutari(int k)
{
int i;
if (k==n+1) afisare();
else
for (i=1;i<=n;i++)
{
sol[k]=i;
if (ok(k)) permutari(k+1);
}
}
int main()
{
fin>>n;
permutari(1);
return 0;
}