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

[EX Q]: 636 # 9939 @ 3769 @ 8322 # 3343 @ 8680 # 1129 # 9882 # 3400
[EX A]: -6286

[EX Q]: 9776 # 6717 # 9329 @ 6055 # 8635 @ 6132 @ 3374
[EX A]: 656

[EX Q]: 2302 # 2694 @ 651 # 8671 @ 7490 # 9950
[EX A]:
-10872