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: 2243 # 9188 # 3609 # 6813 @ 6109 @ 6045

A: -5213
****
Q: 2900 # 2740 # 1706 @ 6629

A: 5083
****
Q: 7849 @ 6432 # 7984 @ 8902

A:
15199
****