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]: 7671 # 7716 @ 5899 @ 2520 # 497 # 24 # 16 # 840 # 9556
[A]: -2559


[Q]: 9656 # 6289 # 4308 # 2092 # 5148 @ 9253
[A]: 1072


[Q]: 7649 # 6654 @ 5212 # 9988
[A]:
-3781