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: 8915 @ 8709 # 6716 @ 4326

SOLUTION: 15234

PROBLEM: 5604 # 514 # 150 @ 4349 @ 958 # 6247 # 8710

SOLUTION: -4710

PROBLEM: 9127 # 4527 @ 1250 # 2952 @ 7284 @ 3713 # 1349

SOLUTION:
12546