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: 5347 # 326 # 6112 # 4655 @ 2124

Output: -3622

Input: Consider Input: 6896 @ 8548 @ 1670 @ 7550 # 921

Output: 23743

Input: Consider Input: 3825 @ 4770 @ 6345 # 5263 @ 3309 @ 4469 # 1519
Output: 15936