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: 636 # 9939 @ 3769 @ 8322 # 3343 @ 8680 # 1129 # 9882 # 3400

A: -6286
****
Q: 9273 # 8850 @ 3050

A: 3473
****
Q: 1888 # 3019 # 8022 # 7991

A:
-17144
****