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: 8441 @ 2924 # 9024 @ 6661 @ 7034 # 4821 # 4921
Example Output: 6294

Example Input: 4839 # 9558 @ 1236 # 8758 # 3209
Example Output: -15450

Example Input: 1247 # 2194 @ 9921 # 6510 # 6495 # 1840 @ 7351 @ 1269 @ 6545
Example Output:
9294