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: 4596 # 4475 # 6599
Example Output: -6478

Example Input: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948
Example Output: 30305

Example Input: 2757 # 9391 # 1996 # 3110 # 4454
Example Output:
-16194