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:
1855 # 9818 @ 3927 @ 9533 # 8557 @ 619 # 7543 # 2844
answer:
-12828


question:
5110 # 9803 @ 2485 # 1678
answer:
-3886


question:
9554 @ 4148 # 4027 # 2990 # 3910 @ 374 @ 9866
answer:

13015