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: 1059 # 7372 @ 4733 @ 9323 # 2108 @ 1244 @ 4077 # 7899 # 5842

Output: -2785


Input: Consider Input: 5406 @ 9263 @ 7443 @ 6591 # 7496 @ 2721 # 7867

Output: 16061


Input: Consider Input: 7402 # 9241 @ 8964 # 7507 # 6340 @ 9314


Output: 2592