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: 1327 # 8233 # 8048 # 194 @ 2192 @ 1877 # 3427 # 3364 # 6008
Example Output: -23878

Example Input: 9913 # 5573 @ 4921 # 723 # 9487 # 754 # 1667 @ 5543 @ 6626
Example Output: 8799

Example Input: 9998 # 4601 # 6601
Example Output:
-1204