int main()
{
 int m,t=1,p=1;
 cin>>m;
 for(int i1=3;i1<=m/2;i1=i1+2)
 { t=1;p=1;
  for(int k1=2;k1<=sqrt(i1);k1++)
  {
   int q1=i1%k1;
   t=t*(q1!=0);
  }//????????????
  if(t==1)
  {
   int i2=m-i1;
   for(int k2=2;k2<=sqrt(i2);k2++)
     {
      int q2=i2%k2;
      p=p*(q2!=0);
     }//??????????
   if(p==1)
    cout<<i1<<" "<<i2<<endl;
   else
    continue;
  }
  else
   continue;
 }
  }
