##### Infix to Postfix E xpression

consider the following infix expression which is to be converted to postfix expression using stack.

(((P+Q)*(R+S))/T)+(A*(B+C))

The sum of all unique possible heights of stack when converting infix to postfix is______

consider the following infix expression which is to be converted to postfix expression using stack.

(((P+Q)*(R+S))/T)+(A*(B+C))

The sum of all unique possible heights of stack when converting infix to postfix is______