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:
9930 # 7864 @ 6797 # 6092 @ 1146 @ 1388 # 8545 # 9163
answer:
-12403


question:
9056 @ 9894 # 9773 # 4508 # 5642
answer:
-973


question:
6526 @ 8872 @ 4339 # 7570 @ 5180 @ 9178 @ 9878 @ 4328 @ 1952
answer:

42683