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:
1999 # 5055 @ 6736 # 8829 @ 7010 # 2968 # 259 @ 5904
answer:
4538


question:
6853 # 3523 @ 1895 @ 6916 @ 2795 # 8802 # 3074 # 5622 @ 956
answer:
-1606


question:
7660 # 8216 @ 1976
answer:

1420