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

Input: Consider Input: 5460 # 8572 @ 5548

Output: 2436


Input: Consider Input: 837 @ 118 @ 1503 # 3288 @ 6669 # 1394

Output: 4445


Input: Consider Input: 8098 # 5900 # 1217 @ 9266 @ 4318 @ 3761


Output: 18326