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: 4317 # 7384 # 3193 # 3098 @ 2863 @ 1149 @ 7824 # 4889

SOLUTION: -2411

PROBLEM: 331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226

SOLUTION: 6680

PROBLEM: 3352 @ 8734 @ 4530 # 4501 @ 7032 @ 2229 @ 8658 # 8855

SOLUTION:
21179

