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: 5837 # 1015 # 4725
Example Output: 97

Example Input: 2354 @ 5192 @ 5717 # 1833 @ 9672 # 3565
Example Output: 17537

Example Input: 2896 @ 7150 @ 1202 # 2249 # 872
Example Output:
8127