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

[Q]: 6543 @ 9353 @ 2169 # 4681 @ 6446
[A]: 19830


[Q]: 8524 # 5976 # 1534 @ 266 # 6452 @ 3945 # 2305
[A]: -3532


[Q]: 5605 # 8095 @ 1788 @ 3859 @ 7258 @ 9659
[A]:
20074