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: 5837 # 1015 # 4725

Output: 97


Input: Consider Input: 2065 @ 3769 @ 9915 # 6270 @ 3929 @ 5328 @ 6079 @ 5250 @ 843

Output: 30908


Input: Consider Input: 6952 @ 9071 @ 8853 @ 9652 @ 7288


Output: 41816