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: 486 # 3873 # 1187

SOLUTION: -4574

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

SOLUTION: -6606

PROBLEM: 4681 @ 2217 @ 9889 # 3068 @ 7306 @ 8921 # 6588 # 3241 # 7035

SOLUTION:
13082