Definition: 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: 1355 @ 6882 @ 7137 @ 9942 # 6899 # 1858 @ 3616 # 7563 @ 7096
Output:
19708