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:
5640 @ 148 @ 7578 # 2373 # 3438 @ 4775 # 8187
answer:
4143


question:
3438 # 3865 # 956 # 3020 @ 2696
answer:
-1707


question:
256 # 8586 # 489 # 6941 # 9550 # 2290 @ 359 @ 3887 @ 2573
answer:

-20781


