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:
5137 @ 4207 @ 1156
answer:
10500


question:
6340 # 5642 @ 8051 # 3877 # 2824 # 3105 # 9957 @ 9874 # 6399
answer:
-7539


question:
9228 # 3625 # 833 # 5723 # 3458 @ 7984 @ 4881 @ 1460
answer:

9914