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


[Q]: 9646 # 9392 @ 7231 @ 7510 # 4746 # 2757 # 2536 @ 5415 # 2152
[A]: 8219


[Q]: 5853 @ 8563 # 8877 # 5555 @ 7630 # 9515 @ 509 # 2251 @ 5871
[A]:
2228


