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: 9731 # 5427 @ 606 @ 9242 # 5166 @ 659 @ 5124 @ 2482 # 2031
Example Output: 15220

Example Input: 4331 # 7606 @ 9043 @ 9912 @ 1560 # 5858 @ 703
Example Output: 12085

Example Input: 1897 @ 3497 # 2153
Example Output:
3241