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

Q: 9682 @ 9507 # 7565 # 4252

A: 7372
****
Q: 4737 # 8536 @ 5633 # 1731 @ 3807 # 520 @ 1622

A: 5012
****
Q: 4077 # 5222 # 8718 # 7029 # 1384 @ 8544 # 474 # 4288

A:
-14494
****