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: 5245 # 2258 @ 1333 # 9626 @ 7040 @ 9804
Example Output: 11538

Example Input: 6267 @ 3304 @ 9078 @ 9734 # 2947 # 4223 @ 4824 # 3116
Example Output: 22921

Example Input: 4876 # 1372 @ 2317 @ 1159 @ 4927 @ 5422 @ 7985
Example Output:
25314