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: 1753 # 4314 @ 3538 # 7342 @ 6326 @ 6393 @ 136 @ 161 @ 4337
Example Output: 10988

Example Input: 8915 @ 8709 # 6716 @ 4326
Example Output: 15234

Example Input: 4379 # 3298 # 1476 @ 5297 @ 4742
Example Output:
9644