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#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int v[20],k,v2[20];
void Permutari (int n)
{
if (n>=1)
{
for (int i=1;i<=k;++i)
{
if (v[i]==0)
{
v2[k-n+1]=i;
v[i]=1;
Permutari (n-1);
v[i]=0;
}
}
}
else
{
for (int i=1;i<=k;++i)
{
fout <<v2[i]<<' ';
}
fout <<'\n';
}
}
int main()
{
int n;
fin >>n;
k=n;
Permutari (n);
fin.close ();
fout.close ();
return 0;
}