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:
8899 # 4509 # 9411 # 7373
answer:
-12394


question:
2989 # 6833 # 4298 @ 8863 # 8408
answer:
-7687


question:
8034 # 590 @ 9371 # 9102 @ 6651 @ 1624 @ 9576 # 7025
answer:

18539