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: 4364 # 2781 # 7674 # 4801 @ 898 @ 7562 @ 5925 @ 648 @ 7768
Example Output: 11909

Example Input: 7252 # 8553 # 4853 @ 6748 # 3750
Example Output: -3156

Example Input: 5718 # 4205 # 8247 # 6494 # 5482 # 8488 @ 392
Example Output:
-26806