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: 5968 # 833 # 9263 @ 5675 @ 3262 # 2158
Example Output: 2651

Example Input: 2808 @ 9510 # 4684 @ 8160 # 7003 # 6631 # 9199 # 455
Example Output: -7494

Example Input: 6453 # 4160 # 6736 # 6049 # 2640 @ 6379 # 8669 @ 1499
Example Output:
-13923