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]: 540 @ 8823 @ 1244 # 1696 # 889 # 6035 # 5113 @ 2513
[A]: -613


[Q]: 4565 @ 7065 # 5397
[A]: 6233


[Q]: 8983 @ 1523 # 4573 # 1100 # 9976 # 4614 @ 5988 # 1080 @ 2547
[A]:
-2302