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: 9817 @ 5042 # 1724 @ 799 @ 685

Answer: 14619


Question: 1040 # 6682 @ 4286 # 1132 # 705 @ 4048 # 9240

Answer: -8385


Question: 9929 @ 477 # 8340 @ 4564 @ 7933 # 1450 @ 2713 @ 6063

Answer:
21889