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: 4532 @ 5773 @ 2346 @ 6961 # 8280

Output: 11332


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

Output: -10526


Input: Consider Input: 2256 # 1599 @ 7178 @ 5148 # 6697


Output: 6286