You are given a code:

def main_solution(x):
    return func_20(('huul' + x), func_15('impm'))

Can you predict the output of `main_solution("qdjryu")` 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": "qdjryu"}, "ref_output": "h\u00abuiu\u00bbl\u00abqmd\u00bbj\u00abrpy\u00bbu\u00abm\u00bb", "ref_code": "def main_solution(x):\n    return func_20(('huul' + x), func_15('impm'))", "funcname": "main_solution"}
rule