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

5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948
30305

6942 @ 1857 @ 1508 @ 3059 # 6727
6639

573 # 4653 # 249 # 231 @ 5826 # 974

292