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]: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
[A]: -4443


[Q]: 5038 @ 8417 @ 7931 @ 7414 @ 5627 # 6512 # 5503
[A]: 22412


[Q]: 4501 # 8162 # 4010 # 1621 @ 49 # 7899 @ 3513 @ 5044 @ 3933
[A]:
-4652