You are given a code:

def main_solution(x):
    return func_20(func_11(x, 5), func_15('ucyff'))

Can you predict the output of `main_solution("xodisumyuu")` 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": "xodisumyuu"}, "ref_output": "c\u00abtui\u00bbn\u00abxcz\u00bbr\u00abdyz\u00bbz\u00abf\u00bb\u00abf\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_11(x, 5), func_15('ucyff'))", "funcname": "main_solution"}
rule