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
--------
Question: 5640 @ 148 @ 7578 # 2373 # 3438 @ 4775 # 8187

Answer: 4143


Question: 1614 # 4521 @ 7508 # 7726 @ 6176 @ 8975 # 693

Answer: 11333


Question: 1932 @ 3188 @ 2772 # 6523 @ 7383 # 6019 @ 5794 # 4934 # 9435

Answer:
-5842