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: 3462 @ 9743 @ 8298

SOLUTION: 21503

PROBLEM: 2095 # 5428 @ 3055 @ 1752 @ 2919 # 3592 # 7407

SOLUTION: -6606

PROBLEM: 8578 @ 1666 @ 2998 @ 5026 @ 2187 # 9438 @ 7146 @ 2044 # 2407

SOLUTION:
17800