You are given a code:

def main_solution(x):
    return func_9(func_5('joinxp', 'hys'))

Can you predict the output of `main_solution("uobdmpgtjj")` 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": "uobdmpgtjj"}, "ref_output": "hysjoinxppxniojsyh", "ref_code": "def main_solution(x):\n    return func_9(func_5('joinxp', 'hys'))", "funcname": "main_solution"}
rule