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]: 4737 # 8536 @ 5633 # 1731 @ 3807 # 520 @ 1622
[A]: 5012


[Q]: 1982 # 4772 # 2392 # 1023 # 9072 @ 1042 @ 2606 # 2557 @ 1145
[A]: -13041


[Q]: 6693 @ 5417 # 1557 # 9325 @ 1958
[A]:
3186