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]: 4449 @ 4019 @ 7637
[EX A]: 16105

[EX Q]: 932 # 7028 @ 5402 # 9015 @ 2110
[EX A]: -7599

[EX Q]: 3500 @ 2051 # 6819 @ 8962
[EX A]:
7694