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: 6506 # 8715 @ 5800 @ 1904 @ 3642
Example Output: 9137

Example Input: 580 @ 9980 # 4059 # 4694 @ 8096 # 3324
Example Output: 6579

Example Input: 5463 # 1534 @ 9742 @ 6131 # 6628 # 3959 @ 588 # 9433 # 9896
Example Output:
-9526