TASK DEFINITION: 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
PROBLEM: 1365 # 3902 @ 5909

SOLUTION: 3372

PROBLEM: 6904 # 1007 @ 9690 @ 9967 @ 9620 @ 4765

SOLUTION: 39939

PROBLEM: 9813 @ 7584 @ 8993 # 5551 @ 5142 # 9828 @ 1454 # 2575

SOLUTION:
15032

