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: 531 # 4183 # 6445 # 8517 @ 4076 # 9925
Example Output: -24463

Example Input: 722 # 9533 @ 3199 @ 4825 @ 817
Example Output: 30

Example Input: 3383 # 5895 # 8847 # 9094 @ 5996 @ 7988 @ 6428
Example Output:
-41