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:
6340 # 5642 @ 8051 # 3877 # 2824 # 3105 # 9957 @ 9874 # 6399
answer:
-7539


question:
1380 @ 6582 # 4036
answer:
3926


question:
8023 @ 5255 @ 4478 # 8980 # 5382 @ 5555 @ 1190 @ 9958
answer:

20097