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:
5513 @ 1221 @ 8910 @ 8422
answer:
24066


question:
4787 # 6151 # 6235
answer:
-7599


question:
4005 @ 4876 # 7913
answer:

968


