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: 7757 # 4475 @ 6447 # 2209 # 9966

A: -2446
****
Q: 7347 # 9135 # 9303 @ 1078 # 3054 @ 4217 @ 4075

A: -4775
****
Q: 5175 # 1277 @ 3544 # 2831 # 8759

A:
-4148
****