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]: 6915 @ 3564 # 9197 # 9440 # 1112 @ 382 @ 9681 # 6512 # 9658
[A]: -15377


[Q]: 531 # 4183 # 6445 # 8517 @ 4076 # 9925
[A]: -24463


[Q]: 7931 # 4242 @ 2100 # 1989
[A]:
3800


