In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer
--------
Question: 9889 @ 8457 # 4692

Answer: 13654


Question: 3337 @ 9906 @ 9733 # 853 @ 5075 # 2064 @ 9450 # 3886

Answer: 30698


Question: 1589 @ 4479 # 6111 # 3158 # 7662

Answer:
-10863