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: 9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385
Example Output: -9002

Example Input: 5986 # 3224 # 3957 @ 1893 @ 9453 @ 3954 # 476 # 5750 # 5163
Example Output: 2716

Example Input: 2207 @ 5236 @ 1911
Example Output:
9354