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: 5142 # 5370 # 8292 @ 827 @ 9263 # 9184 @ 8692
Example Output: 1078

Example Input: 8422 @ 5670 # 5825 @ 3613
Example Output: 11880

Example Input: 3248 # 3556 # 3059
Example Output:
-3367