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: 2026 @ 9494 # 8161
Example Output: 3359

Example Input: 440 @ 5472 # 6900 # 3389
Example Output: -4377

Example Input: 446 # 6497 # 867 @ 4397 @ 5700 @ 8936 # 3598
Example Output:
8517