Instructions: 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: 141 @ 9901 # 7718 # 9857 # 1302 # 2315 @ 9503 # 1413 # 8493
Output:
-11553