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:
6543 @ 9353 @ 2169 # 4681 @ 6446
answer:
19830


question:
2653 @ 9718 # 3237 @ 2973 # 6895 # 18
answer:
5194


question:
512 @ 9101 # 8158 @ 6154 @ 7689 @ 1353
answer:

16651