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


question:
7211 # 614 @ 1584 # 4857 # 1495 # 1821 # 2219
answer:
-2211


question:
1971 # 5591 @ 4038 @ 5571
answer:

5989