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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
short int n,use[15],sol[15];
void afisare()
{
int j;
for(j=1;j<=n;j++)
fout<<sol[j]<<' ';
fout<<'\n';
}
void generare(int k)
{
int i;
if(k>n)
afisare();
for(i=1;i<=n;i++)
{
if(!use[i])
{
use[i]=1;
sol[k]=i;
generare(k+1);
use[i]=0;
}
}
}
int main()
{
fin>>n;
generare(1);
return 0;
}