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#include <fstream>
#define VAL 15
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N, i, v[VAL];
bool ok[VAL];
void afisare()
{
int i;
for (i=1; i<=N; i++)
fout << v[i] << " ";
fout << '\n';
}
int back(int K)
{
int i;
for (i=1; i<=N; i++)
{
v[K]=i;
if (ok[i]==false)
{
ok[i]=true;
if (K==N)
afisare();
else
back(K+1);
ok[i]=false;
}
}
}
int main()
{
fin >> N;
back(1);
fin.close();
fout.close();
return 0;
}