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: 1948 @ 7201 @ 611 # 9763 # 2998 # 5097 # 9302 # 3012 # 8272
Example Output: -28684

Example Input: 8916 # 6070 # 4406 # 1732 # 434 @ 143 # 9650 @ 8419 # 4599
Example Output: -9413

Example Input: 2748 @ 9450 @ 4492 # 8097 # 8411
Example Output:
182