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:
9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817
answer:
16765


question:
2994 # 4380 @ 6720
answer:
5334


question:
4431 @ 482 @ 5285 # 1520 @ 7857
answer:

16535