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]: 5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399
[A]: -269


[Q]: 4331 # 7606 @ 9043 @ 9912 @ 1560 # 5858 @ 703
[A]: 12085


[Q]: 6850 # 668 @ 7176 @ 9933 # 5989
[A]:
17302