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: 1569 @ 5170 @ 566 # 6012 @ 5001
Example Output: 6294

Example Input: 5031 # 649 # 8975 @ 1853 # 5257 # 1383
Example Output: -9380

Example Input: 912 @ 292 # 8669 # 1520 # 7069 @ 7990
Example Output:
-8064