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

Ex Input:
1916 @ 5847 @ 4371

Ex Output:
12134

Ex Input:
6860 @ 2810 # 1038

Ex Output:
8632

Ex Input:
4438 # 9196 # 3681 # 49 @ 5527 @ 3688

Ex Output:
727