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: 6374 # 6362 # 4384 @ 4744 @ 8116 # 1470
Example Output: 7018

Example Input: 9835 @ 3285 # 8713 # 3066
Example Output: 1341

Example Input: 7669 @ 1668 @ 3293 # 5696 @ 3976 @ 4367 # 341
Example Output:
14936