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: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948

SOLUTION: 30305

PROBLEM: 3894 # 3818 # 2119 # 6333

SOLUTION: -8376

PROBLEM: 4077 # 5222 # 8718 # 7029 # 1384 @ 8544 # 474 # 4288

SOLUTION:
-14494

