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: 931 # 9775 @ 8414
Example Output: -430

Example Input: 5610 # 3034 @ 9312 @ 7337 @ 2731 @ 8581 @ 5926 # 2102 @ 2137
Example Output: 36498

Example Input: 6772 @ 8350 # 3061 @ 7390
Example Output:
19451