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: 1185 # 6431 @ 1326 # 2840 # 9276

Output: -16036


Input: Consider Input: 6557 @ 9368 # 307 @ 2982 # 8398 # 9241 # 4697 # 6790

Output: -10526


Input: Consider Input: 9732 @ 8019 # 4826 # 4121 @ 6307 # 7604 # 69 # 1921


Output: 5517