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:
9889 @ 8457 # 4692
answer:
13654


question:
636 # 9939 @ 3769 @ 8322 # 3343 @ 8680 # 1129 # 9882 # 3400
answer:
-6286


question:
4583 # 8304 # 2910 @ 1375 # 8127 # 2500
answer:

-15883