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: 8227 # 7725 @ 669 @ 489 @ 6499 @ 2486

Answer: 10645


Question: 4612 @ 9447 # 3444 @ 1269

Answer: 11884


Question: 9677 # 6422 # 4591 @ 6474 @ 1004 # 7620 # 5004

Answer:
-6482