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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int x[10],n;
bool viz[10];
void Afisare(int n)
{
int i;
for (i=1; i<=n; i++)
fout<<x[i]<<" ";
fout<<"\n";
}
void Back(int k)
{
int i;
for (i=1; i<=n; i++)
if (viz[i]==false)
{
x[k]=i;
viz[i]=true;
if (k==n) Afisare(k);
else Back(k+1);
viz[i]=false;
}
}
int main()
{
fin>>n;
Back(1);
fin.close();
fout.close();
return 0;
}