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]: 6472 # 6421 @ 7649 @ 4005
[EX A]: 11705

[EX Q]: 2354 @ 5192 @ 5717 # 1833 @ 9672 # 3565
[EX A]: 17537

[EX Q]: 4688 # 4301 # 9301 # 7246 # 6377 @ 8027 @ 425 @ 3557
[EX A]:
-10528