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: 4368 # 7312 @ 7468 # 4833 # 1476 # 42
Example Output: -1827

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

Example Input: 7950 @ 9708 @ 9250 @ 3286 @ 3601 @ 1561 @ 530 # 9420 # 7674
Example Output:
18792