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: 8451 # 7523 @ 454 @ 459 @ 182 @ 6187 # 2835

A: 5375
****
Q: 2994 # 4380 @ 6720

A: 5334
****
Q: 4596 # 4475 # 6599

A:
-6478
****