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: 4331 # 7606 @ 9043 @ 9912 @ 1560 # 5858 @ 703

A: 12085
****
Q: 4809 # 9135 # 3011 # 4393 # 1039 # 3878 @ 1559 # 3798

A: -18886
****
Q: 9097 # 3108 # 3731 # 7852 @ 3082 # 3474 @ 6897

A:
911
****