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:
3309 @ 2855 @ 8458 # 3671 # 4410 # 6229 # 4661 # 2777
answer:
-7126


question:
5265 @ 8995 # 365 # 6720 @ 438 # 9846 # 1190 @ 1943 # 9835
answer:
-11315


question:
6454 # 3620 @ 8521 # 5169 # 4168 @ 7887
answer:

9905


