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:
1709 # 2270 # 1077 # 9681
answer:
-11319


question:
1884 @ 3670 # 3893 @ 782 @ 3288 # 7463 @ 3214
answer:
1482


question:
3217 # 1465 @ 7919 @ 6882 # 1421
answer:

15132