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:
7376 @ 9212 @ 1713 # 9993
answer:
8308


question:
3923 # 9826 # 9066 # 9343 # 4675 @ 4896 # 8019 @ 4615 # 3491
answer:
-30986


question:
8505 @ 8081 # 7967 # 3855 # 8553 # 8845 # 4243 # 4279
answer:

-21156