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:
1774 # 6033 # 3757 @ 3570 @ 6463 # 5537
answer:
-3520


question:
4545 @ 7250 @ 4507 @ 8786 # 5757
answer:

19331