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: 2367 @ 4877 @ 8467 @ 5488 # 987 # 8899

Answer: 11313


Question: 4681 # 7765 @ 9516 @ 4570 @ 2862

Answer: 13864


Question: 545 # 5476 # 8784

Answer:
-13715