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: 2027 # 965 # 9916 @ 7199 @ 844 @ 9780
Example Output: 8969

Example Input: 4612 @ 9447 # 3444 @ 1269
Example Output: 11884

Example Input: 2198 @ 4250 @ 193 # 9835 # 9517 @ 6598 @ 2303 @ 4603 @ 5329
Example Output:
6122