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: 9807 @ 9345 # 5133 # 8042 @ 1499 # 8153 # 638

SOLUTION: -1315

PROBLEM: 8780 # 5826 # 420 @ 8814 @ 5786 # 1725

SOLUTION: 15409

PROBLEM: 5426 @ 7610 # 775 # 1543 @ 632 # 7551 # 4742

SOLUTION:
-943

