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:
507 @ 3439 # 8086 # 5497 @ 2145 @ 2124 @ 9603 @ 2119 @ 8351
answer:
14705


question:
5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
answer:
-4443


question:
6615 @ 5821 # 2660 @ 4373 @ 1832
answer:

15981