You are given a code:

def main_solution(x):
    return func_19(func_17('igqybr'), 3)

Can you predict the output of `main_solution("bqbwrexhpg")` 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": "bqbwrexhpg"}, "ref_output": "qgirby", "ref_code": "def main_solution(x):\n    return func_19(func_17('igqybr'), 3)", "funcname": "main_solution"}
rule