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

Example Input: 9487 # 9520 @ 4047
Example Output: 4014

Example Input: 7246 # 506 @ 4517 @ 50
Example Output:
11307