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: 8915 @ 8709 # 6716 @ 4326

A: 15234
****
Q: 5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399

A: -269
****
Q: 9788 @ 5205 # 92 # 3527 # 4698 # 3322 @ 1761 # 322 # 4740

A:
53
****