instruction:
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
question:
2821 @ 5327 # 3350 # 3607 @ 7010 @ 6824 # 9975 # 38
answer:
5012


question:
3164 # 160 @ 1567 # 8453 # 9293 @ 9371
answer:
-3804


question:
7508 @ 5884 @ 7643
answer:

21035