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: 2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550

A: 3623
****
Q: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859

A: -4443
****
Q: 4857 @ 1712 # 8325 @ 7594 @ 1872 # 6400 @ 261 # 2394

A:
-823
****