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: 2863 @ 9899 # 2358

Answer: 10404


Question: 2738 # 5562 @ 4529 @ 5438 @ 1799

Answer: 8942


Question: 8307 # 2556 # 6388

Answer:
-637