You are given a code:

def main_solution(x):
    return func_17(func_5('keig', 'dyq'))

Can you predict the output of `main_solution("fdgsqcbfoo")` 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": "fdgsqcbfoo"}, "ref_output": "giekqyd", "ref_code": "def main_solution(x):\n    return func_17(func_5('keig', 'dyq'))", "funcname": "main_solution"}
rule