You are given a code:

def main_solution(x):
    return func_20(func_20('mabt', x), func_15('vuiede'))

Can you predict the output of `main_solution("jpbygo")` 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": "jpbygo"}, "ref_output": "m\u00abjva\u00bbp\u00abbub\u00bbt\u00abyig\u00bbo\u00abe\u00bb\u00abd\u00bb\u00abe\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_20('mabt', x), func_15('vuiede'))", "funcname": "main_solution"}
rule