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

Example Input: 3363 @ 4009 @ 5612 # 7774 @ 1547 @ 531 @ 9025 @ 3155 # 3948
Example Output: 15520

Example Input: 2087 @ 6350 # 6525 @ 2161 @ 6749
Example Output:
10822