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: 5046 # 9480 # 3079 @ 8929 # 1334 # 6211 @ 3240 @ 3825
Example Output: 936

Example Input: 1837 @ 4842 # 1682 @ 5953
Example Output: 10950

Example Input: 3142 @ 6462 @ 1331 # 5637 # 4171 @ 5454 @ 8481
Example Output:
15062