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: 4428 # 2569 @ 338 # 967 @ 2206
Example Output: 3436

Example Input: 7065 # 7713 # 7473 # 664 # 8030
Example Output: -16815

Example Input: 6103 @ 8315 # 3238 @ 6635
Example Output:
17815