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]: 2808 @ 9510 # 4684 @ 8160 # 7003 # 6631 # 9199 # 455
[EX A]: -7494

[EX Q]: 8842 @ 3530 @ 7537
[EX A]: 19909

[EX Q]: 4917 @ 195 @ 4637 # 3154 @ 6732 @ 4900 # 7622 @ 7912 # 6312
[EX A]:
12205