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: 6628 @ 7709 @ 528 @ 8813

A: 23678
****
Q: 6960 # 4418 @ 5450 @ 8475

A: 16467
****
Q: 8974 @ 8978 # 8097

A:
9855
****