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:
1508 # 9607 @ 9117 @ 1943 # 3539 # 8743 # 2584 @ 7819
answer:
-4086


question:
4364 # 2781 # 7674 # 4801 @ 898 @ 7562 @ 5925 @ 648 @ 7768
answer:
11909


question:
4768 # 1694 # 795 @ 4772
answer:

7051