instruction:
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:
8227 # 7725 @ 669 @ 489 @ 6499 @ 2486
answer:
10645


question:
693 # 2562 @ 733 # 3913 @ 310
answer:
-4739


question:
6490 @ 238 # 6253 # 2683 @ 8436 # 1289 @ 1635
answer:

6574