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:
605 @ 9301 @ 640 # 9148 # 8015
answer:
-6617


question:
6703 # 9786 @ 9954 @ 2764 # 215 # 4197 @ 7852 # 2961 # 9816
answer:

298