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]: 3556 # 1722 @ 9362 # 7616 # 7893
[EX A]: -4313

[EX Q]: 7720 @ 5171 # 6139 @ 480
[EX A]: 7232

[EX Q]: 9782 # 8302 @ 8262 @ 1739 @ 2046 @ 7308 # 4642 @ 9652
[EX A]:
25845