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:
8137 @ 5006 # 7743 @ 1478
answer:
6878


question:
2763 @ 869 # 8299
answer:
-4667


question:
9352 # 4055 @ 3121 # 8958 # 7308
answer:

-7848