You are given a code:

def main_solution(x):
    return func_20(func_15('uzwjwa'), func_1(x, 3))

Can you predict the output of `main_solution("milrtezm")` 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": "milrtezm"}, "ref_output": "\u00abmui\u00bbl\u00abrzt\u00bbe\u00abzwm\u00bbm\u00abijl\u00bbr\u00abtwe\u00bbz\u00abmam\u00bbilrtezm", "ref_code": "def main_solution(x):\n    return func_20(func_15('uzwjwa'), func_1(x, 3))", "funcname": "main_solution"}
rule