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: 6148 @ 1077 @ 5914 # 245 @ 5862 @ 8792 # 9099

Output: 18449


Input: Consider Input: 2653 @ 9718 # 3237 @ 2973 # 6895 # 18

Output: 5194


Input: Consider Input: 8156 @ 5689 # 5726 @ 5733 @ 646 @ 1159 @ 5110 # 7070


Output: 13697