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: 8079 @ 5498 @ 5803 @ 711 # 9604 @ 7533
Example Output: 18020

Example Input: 7982 # 9393 @ 981 @ 2884 # 1556 @ 752 # 322 # 3235
Example Output: -1907

Example Input: 1303 @ 5064 @ 8182 # 2654 @ 1937 @ 4957 # 6348 # 688 @ 9211
Example Output:
20964