instruction:
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
question:
519 @ 5751 @ 8900 @ 3476 # 8727 # 9607 # 350 @ 8481
answer:
8443


question:
6915 @ 3564 # 9197 # 9440 # 1112 @ 382 @ 9681 # 6512 # 9658
answer:
-15377


question:
6808 # 6667 @ 6405 # 3029 # 4586 # 468 @ 4583 @ 9624 @ 8729
answer:

21399