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: 931 # 5023 @ 6056 # 4419 # 1833 @ 5052 @ 1632 # 2282 @ 9337
Example Output: 9451

Example Input: 9781 # 2797 # 2134
Example Output: 4850

Example Input: 5075 @ 3843 # 6342
Example Output:
2576