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: 9056 @ 9894 # 9773 # 4508 # 5642

SOLUTION: -973

PROBLEM: 9380 # 5155 # 480 # 6791 # 9548 @ 2674 # 821 @ 657

SOLUTION: -10084

PROBLEM: 540 @ 8823 @ 1244 # 1696 # 889 # 6035 # 5113 @ 2513

SOLUTION:
-613