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: 8293 # 4243 # 6119 @ 5292

SOLUTION: 3223

PROBLEM: 8451 # 7523 @ 454 @ 459 @ 182 @ 6187 # 2835

SOLUTION: 5375

PROBLEM: 153 @ 36 @ 8262 # 8271 @ 1309 # 8385 # 3044 @ 7821

SOLUTION:
-2119