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

Example Input: 1569 # 724 @ 3737 @ 6220 # 1360 # 172 # 1027 # 3566 # 9663
Example Output: -4986

Example Input: 2806 # 6120 @ 8567 @ 1946 @ 8985 # 9834 # 368 # 454 @ 5455
Example Output: 10983

Example Input: 8200 @ 2361 # 2139 @ 5660 @ 3721 @ 895 @ 1979 # 8630 @ 4952
Example Output:
16999