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: 5460 # 8572 @ 5548
Example Output: 2436

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

Example Input: 4149 @ 8710 @ 2521 @ 4254
Example Output:
19634

