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: 9741 # 8583 @ 2183 # 5623 @ 4144 # 4064 @ 3416 @ 9350 @ 4931
Example Output: 15495

Example Input: 415 @ 1312 # 9916 @ 9168 @ 1911
Example Output: 2890

Example Input: 7178 # 2086 # 1606 @ 4624 @ 4559 # 4855
Example Output:
7814