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: 8929 # 6145 @ 8551 # 1836 @ 9159
Example Output: 18658

Example Input: 5142 # 5370 # 8292 @ 827 @ 9263 # 9184 @ 8692
Example Output: 1078

Example Input: 2385 @ 4832 @ 1127
Example Output:
8344