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: 643 @ 9262 # 6489 @ 1803 @ 6271

Answer: 11490


Question: 8929 # 6145 @ 8551 # 1836 @ 9159

Answer: 18658


Question: 2376 # 6498 # 3140 # 8400 # 3610 @ 7898 # 2779

Answer:
-14153


