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: 8157 @ 1440 @ 6365 # 7219 # 7914 @ 6251 @ 6044 @ 6334
Output:
19458