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: 1296 @ 9756 @ 2493 @ 9940 # 5147 # 5428 # 5741 # 828

Output: 6341


Input: Consider Input: 580 @ 9980 # 4059 # 4694 @ 8096 # 3324

Output: 6579


Input: Consider Input: 4791 @ 4110 # 2739 # 4028 @ 908 @ 4655 @ 2569 @ 268


Output: 10534