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]: 1508 # 9607 @ 9117 @ 1943 # 3539 # 8743 # 2584 @ 7819
[EX A]: -4086

[EX Q]: 3393 # 1959 # 4338 # 8197 @ 3993 # 7625 # 7892
[EX A]: -22625

[EX Q]: 7826 @ 4693 # 3267 @ 6913 # 8862 @ 4611 # 8671 # 4787 @ 6515
[EX A]:
4971