You are given a code:

def main_solution(x):
    return func_20('xxsy', 'hpdiah')

Can you predict the output of `main_solution("uaba")` 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": "uaba"}, "ref_output": "xhxpsdyiah", "ref_code": "def main_solution(x):\n    return func_20('xxsy', 'hpdiah')", "funcname": "main_solution"}
rule