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: 8571 # 5985 @ 8912

A: 11498
****
Q: 4809 # 9135 # 3011 # 4393 # 1039 # 3878 @ 1559 # 3798

A: -18886
****
Q: 5425 # 3108 # 9209 @ 9269 @ 6488

A:
8865
****