Mr Chan and Mr Toh had some money. $$\frac{1}{4}$$ of Mr Chan\textquotesingle s money was $$$33$$ more than $$\frac{1}{3}$$ of Mr Toh\textquotesingle s. If they had $$ $1000$$ altogether, how much money does Mr Toh have? 
Overseas Competition->Knowledge Point->Counting Modules->Inclusion-Exclusion Principle