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:
1262 # 4309 # 2911
answer:
-5958


question:
8238 @ 9817 # 2474 @ 3673 @ 9625 # 849 @ 1441
answer:
29471


question:
2157 # 1326 @ 4280 # 2887 # 5998 @ 571 @ 649
answer:

-2554