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: 6844 @ 1340 # 4174 # 5664 @ 4911 # 5241
Example Output: -1984

Example Input: 5098 # 2466 @ 6132 # 7008 @ 2142 # 5650 @ 531
Example Output: -1221

Example Input: 6429 # 360 # 4748 # 7571 @ 32 @ 9590 @ 2360 @ 8378 @ 3477
Example Output:
17587