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: 1767 @ 7166 @ 1543 @ 1185 @ 9966 # 6628
Example Output: 14999

Example Input: 3651 @ 4392 @ 7612 # 1575 @ 8307
Example Output: 22387

Example Input: 8656 @ 6633 # 4027 @ 4979 # 4313
Example Output:
11928