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: 4737 # 8536 @ 5633 # 1731 @ 3807 # 520 @ 1622

A: 5012
****
Q: 3298 @ 1140 @ 3407 # 8200 # 7383 # 6043 @ 5264

A: -8517
****
Q: 8784 # 9796 @ 9145 @ 2730 @ 7195

A:
18058
****