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: 4101 @ 5888 # 877 # 7900 # 6062 @ 6246
Example Output: 1396

Example Input: 1477 @ 6645 @ 6272 # 3080
Example Output: 11314

Example Input: 4117 # 9273 @ 2701
Example Output:
-2455