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: 1021 # 2896 # 8239 # 5207 # 1962 # 5346
Example Output: -22629

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

Example Input: 9449 @ 9764 # 2549 @ 5167 # 8788 # 1600 @ 1137 # 7148 @ 66
Example Output:
5498

