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]: 4970 @ 8711 @ 6188
[EX A]: 19869

[EX Q]: 2339 @ 2821 # 2234 @ 1271 @ 471
[EX A]: 4668

[EX Q]: 5495 # 2979 # 9445 @ 481 # 4516 @ 4232 @ 8465 # 7641
[EX A]:
-5908