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: 7252 # 8553 # 4853 @ 6748 # 3750
Example Output: -3156

Example Input: 4326 # 2636 @ 9431 # 1021 # 6603 # 2905 # 80 # 7174 # 3558
Example Output: -10220

Example Input: 6808 # 5493 # 9355 @ 2236 # 9633 # 1088 @ 6859
Example Output:
-9666

