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: 9817 @ 5042 # 1724 @ 799 @ 685

Output: 14619


Input: Consider Input: 1363 # 4739 @ 1955 @ 3672 # 8777 @ 8885


Output: 2359


