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: 353 # 799 @ 4824 # 3212 @ 1811 @ 752
Example Output: 3729

Example Input: 1086 # 7477 # 9664 @ 5904 # 8033 # 5563
Example Output: -23747

Example Input: 4590 # 3668 @ 5717 # 9163 # 9784 # 7787 @ 8469 # 5464 # 103
Example Output:
-17193