You are given a code:

def main_solution(x):
    return (func_15('vzsd') + func_22('cct'))

Can you predict the output of `main_solution("hmyvz")` 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": "hmyvz"}, "ref_output": "\u00abv\u00bb\u00abz\u00bb\u00abs\u00bb\u00abd\u00bbcc", "ref_code": "def main_solution(x):\n    return (func_15('vzsd') + func_22('cct'))", "funcname": "main_solution"}
rule