You are given a code:

def main_solution(x):
    return (func_15('xkjnc') + func_9('bqvrar'))

Can you predict the output of `main_solution("alrfyvr")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "alrfyvr"}, "ref_output": "\u00abx\u00bb\u00abk\u00bb\u00abj\u00bb\u00abn\u00bb\u00abc\u00bbbqvrarrarvqb", "ref_code": "def main_solution(x):\n    return (func_15('xkjnc') + func_9('bqvrar'))", "funcname": "main_solution"}
rule