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: 2569 # 3660 # 2044 @ 3564 # 7082 @ 4306 @ 254 @ 4425
Example Output: 2332

Example Input: 6120 # 9271 # 7167 @ 6916 # 2510 @ 7854 # 7909 # 1960 # 3775
Example Output: -11702

Example Input: 6286 # 7536 # 7533
Example Output:
-8783