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: 992 # 6304 @ 9489 # 6814 # 5448 @ 4565

A: -3520
****
Q: 931 # 5023 @ 6056 # 4419 # 1833 @ 5052 @ 1632 # 2282 @ 9337

A: 9451
****
Q: 6639 # 5724 # 3521 # 6709 # 6185 @ 6067 @ 9560 # 9829 @ 8371

A:
-1331
****