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: 4945 # 9916 # 656 @ 6515 # 5000 @ 6599 # 9652

Answer: -7165


Question: 6955 @ 9662 @ 2777 # 6990 @ 3495 # 5670

Answer:
10229