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: 8769 @ 9595 # 7775 # 3412 # 7 @ 4689 # 4368
Example Output: 7491

Example Input: 8932 # 2337 @ 825 # 8463 @ 528
Example Output: -515

Example Input: 8733 @ 9761 @ 4990 @ 9916 # 7323 # 286 # 4300 # 6061 # 3514
Example Output:
11916