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:
5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
answer:
-4443


question:
8451 # 7523 @ 454 @ 459 @ 182 @ 6187 # 2835
answer:
5375


question:
4226 # 3951 @ 2613
answer:

2888