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

5513 @ 1221 @ 8910 @ 8422
24066

8842 @ 3530 @ 7537
19909

7932 # 671 @ 6005 @ 5137

18403