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: 2678 # 5467 @ 8355 # 3124 # 5654

A: -3212
****
Q: 2919 # 2741 @ 497 @ 5230 @ 5250 @ 1797 # 4567 @ 8995 @ 6960

A: 24340
****
Q: 8828 # 8304 @ 8510 # 3456 # 6021 # 9435 @ 5227 # 3018

A:
-7669
****
