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: 4071 # 2406 @ 1349 @ 5528 @ 7426 @ 2448 # 1981 # 7844

SOLUTION: 8591

PROBLEM: 9285 # 5492 @ 6629 # 5477 @ 5969 # 8754

SOLUTION: 2160

PROBLEM: 11 # 4545 # 4463 # 3504 @ 5728 # 9022

SOLUTION:
-15795