You are given a code:

def main_solution(x):
    return func_20(('ianl' + x), func_15('ptqvra'))

Can you predict the output of `main_solution("kukn")` 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": "kukn"}, "ref_output": "i\u00abapn\u00bbl\u00abktu\u00bbk\u00abnq\u00bb\u00abv\u00bb\u00abr\u00bb\u00aba\u00bb", "ref_code": "def main_solution(x):\n    return func_20(('ianl' + x), func_15('ptqvra'))", "funcname": "main_solution"}
rule