Leetcode valid parentheses

Given a string containing just the characters'(',')','{','}','['And']', Determine if the input string is valid.

The brackets must close in the correct order,"()"And"() [] {}"Are all valid"(]"And"([)]"Are not.

 Class  Solution {  Public  :  Bool Isvalid ( String S ){  If (S. Length () % 2 ) Return   False  ; Stack < Char > Bracket;  For ( Int I = 0 ; I <S. Length (); ++ I ){  If (S [I] = ' (  ' | S [I] = '  {  ' | S [I] = '  [  '  ) Bracket. Push (s [I]);  Else  {  If (Bracket. Empty ()) Return   False  ;  Else {  If (S [I] = '  )  ' & Bracket. Top () = '  (  ' ) | (S [I] = '  }  ' & Bracket. Top () = '  {  ' ) |(S [I] = '  ]  ' & Bracket. Top () = '  [  '  ) Bracket. Pop ();  Else   Return   False  ;}}}  If (Bracket. Empty ()) Return  True  ;  Else   Return   False  ;}};