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]: 6557 @ 9368 # 307 @ 2982 # 8398 # 9241 # 4697 # 6790
[A]: -10526


[Q]: 4532 @ 5773 @ 2346 @ 6961 # 8280
[A]: 11332


[Q]: 7672 # 5331 @ 8482 @ 7514 @ 2877
[A]:
21214