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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N;
int V[10],F[10];
void afisare()
{
for (int i=1; i<=N; i++)
fout<<V[i]<<" ";
fout<<"\n";
}
void bac(int k)
{
int i;
if (k==N+1)
afisare();
else
{
for (i=1; i<=N; i++)
if (!F[i])
{
F[i]=1;
V[k]=i;
bac(k+1);
F[i]=0;
}
}
}
int main()
{
fin>>N;
bac(1);
}