As others have mentioned, your parentheses are unbalanced. I have a similar problem in complex conditional statements, and I have found a trick that helps me - at least when I am developing the code.
Instead of having the conditional all on the one line, like
if (($Age < 13) && ($Age > 0))
I try to space things out, like:
if (($Age < 13) &&
($Age > 0) ) {
some block of statements;
}
elsif (($Age < 18) &&
($Age > 12)) ) {
another block of statements;
}
else {
a final block;
}
This makes a visual scan of the whole if - elsif - else block easier. Once it all works, you cansquash the lines up if you wish.
Once you start to get into complex data structures then this can solve a lot of stilly typographical erors.
