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: 4532 @ 5773 @ 2346 @ 6961 # 8280
Example Output: 11332

Example Input: 2588 @ 7474 @ 7336 @ 2767 # 1155 # 3435 # 6693
Example Output: 8882

Example Input: 2748 @ 1189 # 6744
Example Output:
-2807