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: 2853 @ 2447 @ 3565

A: 8865
****
Q: 5431 @ 998 @ 3566 @ 4303 # 9222 @ 8630 # 67 # 7377 @ 994

A:
7256
****