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: 2781 # 1776 @ 3223 @ 7441 # 238
Example Output: 11431

Example Input: 9039 @ 4996 @ 845 # 5409
Example Output: 9471

Example Input: 514 @ 4665 # 8388 @ 847 @ 8257 @ 7037 @ 4338
Example Output:
17270