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

8441 @ 2924 # 9024 @ 6661 @ 7034 # 4821 # 4921
6294

1122 @ 3359 @ 4856 # 8802 @ 600 @ 3512 # 4067 @ 6320 @ 711
7611

6621 @ 8350 @ 9087 # 3175 # 2221 # 4675 @ 7064

21051