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: 2354 @ 5192 @ 5717 # 1833 @ 9672 # 3565
Example Output: 17537

Example Input: 9817 @ 5042 # 1724 @ 799 @ 685
Example Output: 14619

Example Input: 7744 @ 912 @ 4366
Example Output:
13022