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: 2214 @ 2042 # 8931
Example Output: -4675

Example Input: 1062 @ 9466 @ 4653
Example Output: 15181

Example Input: 4737 # 8536 @ 5633 # 1731 @ 3807 # 520 @ 1622
Example Output:
5012