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: 9852 # 24 # 2468 @ 5798 @ 6384

Output: 19542


Input: Consider Input: 1737 # 3662 # 9496 @ 694

Output: -10727


Input: Consider Input: 9233 # 4401 @ 698


Output: 5530


