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: 1559 @ 760 # 5027 # 8544 @ 4623 # 9238
Example Output: -15867

Example Input: 2182 @ 8380 # 337
Example Output: 10225

Example Input: 797 @ 2921 # 8682
Example Output:
-4964