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: 7371 # 9025 @ 8352 # 9201 # 9297 # 3561 @ 8576

Answer: -6785


Question: 7277 # 925 # 26 @ 2401

Answer:
8727