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:
331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226
answer:
6680


question:
8280 # 2607 # 4185 # 9243 @ 9839
answer:
2084


question:
9336 # 8904 # 8666 # 5610 @ 4636 # 2555 @ 5943 # 1103
answer:

-6923