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]: 507 @ 3439 # 8086 # 5497 @ 2145 @ 2124 @ 9603 @ 2119 @ 8351
[EX A]: 14705

[EX Q]: 9724 @ 7826 @ 3248 @ 3915 @ 249 @ 2455 @ 9673 # 9980
[EX A]: 27110

[EX Q]: 8957 # 38 # 9188 # 3313 # 5038 @ 735
[EX A]:
-7885