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#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int sol[10], n;
bool valid(int k)
{
for(int i=1; i<=k-1; i++)
if(sol[k]==sol[i])
return 0;
return 1;
}
void afisare()
{
for(int i=1; i<=n; i++)
fout<<sol[i]<<" ";
fout<<'\n';
}
void bkt(int k)
{
for(int i=1; i<=n; i++)
{
sol[k]=i;
if(valid(k))
{
if(k==n)
afisare();
else
bkt(k+1);
}
}
}
int main()
{
fin>>n;
bkt(1);
return 0;
}