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: 7065 # 7713 # 7473 # 664 # 8030

Output: -16815


Input: Consider Input: 2182 @ 8380 # 337

Output: 10225


Input: Consider Input: 8649 @ 4397 @ 919 # 3478 @ 2935 # 8295


Output: 5127