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: 7152 @ 8957 # 8060 # 3668 # 8713 # 9420 # 3603

A: -17355
****
Q: 8929 # 6145 @ 8551 # 1836 @ 9159

A: 18658
****
Q: 4592 # 9613 # 5253 # 7001 # 2091

A:
-19366
****