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

3393 # 1959 # 4338 # 8197 @ 3993 # 7625 # 7892
-22625

720 # 1309 @ 989 @ 1211 # 5749 # 7 @ 3147 # 9792 # 1243
-12033

7988 # 6378 # 5973 # 3842 # 2383 # 152

-10740