You are given a code:

def main_solution(x):
    return (func_1('mkeaga', 4) + func_17('ubgn'))

Can you predict the output of `main_solution("juvkknoqa")` 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": "juvkknoqa"}, "ref_output": "mkeagamkeagamkeagamkeagangbu", "ref_code": "def main_solution(x):\n    return (func_1('mkeaga', 4) + func_17('ubgn'))", "funcname": "main_solution"}
rule