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:
643 @ 9262 # 6489 @ 1803 @ 6271
answer:
11490


question:
995 @ 6856 @ 867 # 7415 # 9581
answer:
-8278


question:
5335 @ 8307 @ 4845 @ 6853 # 9847 @ 7289
answer:

22782