void main()
{
  int i,j,m,a,b;
  scanf("%d",&m);
  for(i=3;i<=m/2;i++)
{
  j=m-i;
  for(a=2;a<=sqrt(i);a=a+1)
{
 if(i%a==0) break;
}
  for(b=2;b<=sqrt(j);b=b+1)
{
 if(j%b==0) break;
}
if(a>sqrt(i)&&b>sqrt(j)) printf("%d %d\n",i,j);
}
}

