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: 5571 @ 5729 # 6405 # 526 # 1330
Example Output: 3039

Example Input: 7757 # 4475 @ 6447 # 2209 # 9966
Example Output: -2446

Example Input: 1180 @ 145 # 8011 @ 6950
Example Output:
264