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: 995 @ 6856 @ 867 # 7415 # 9581

SOLUTION: -8278

PROBLEM: 6340 # 5642 @ 8051 # 3877 # 2824 # 3105 # 9957 @ 9874 # 6399

SOLUTION: -7539

PROBLEM: 946 # 3064 @ 198 # 6541 @ 4274 @ 8246 # 9094 # 1420

SOLUTION:
-6455