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: 1365 # 3902 @ 5909

A: 3372
****
Q: 3347 # 2950 @ 6671 @ 4670 # 7283

A: 4455
****
Q: 5527 # 35 # 9988 @ 7417 # 5498

A:
-2577
****