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: 120 # 2644 @ 4589

A: 2065
****
Q: 6960 # 4418 @ 5450 @ 8475

A: 16467
****
Q: 9678 # 9015 # 9291 @ 921 # 1428 # 9279 # 8528 # 9468 @ 8103

A:
-28307
****