You are given a code:

def main_solution(x):
    return func_20('zxak', 'gnmdv')

Can you predict the output of `main_solution("cigt")` 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": "cigt"}, "ref_output": "zgxnamkdv", "ref_code": "def main_solution(x):\n    return func_20('zxak', 'gnmdv')", "funcname": "main_solution"}
rule