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#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
bool viz[50];
int sol[50],n;
void back(int k)
{
if(k==n+1)
{
for(int i=1;i<=n;i++)
fout<<sol[i]<<" ";
fout<<endl;
}
else
for(int i=1;i<=n;i++)
if(!viz[i])
{
viz[i]=1;
sol[k]=i;
back(k+1);
viz[i]=0;
}
}
int main()
{
int k=1;
fin>>n;
back(k);
return 0;
}