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: 4089 @ 276 @ 7408 # 9945 @ 4656

A: 6484
****
Q: 3298 @ 1140 @ 3407 # 8200 # 7383 # 6043 @ 5264

A: -8517
****
Q: 9843 # 8248 @ 1474 # 2355 # 5133 @ 7812 @ 9590

A:
12983
****