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: 958 # 263 # 1097 @ 3868 # 3982

Output: -516


Input: Consider Input: 1525 @ 8861 # 8655 @ 6656 # 5387 # 8391 @ 1586


Output: -3805