You are given a code:

def main_solution(x):
    return func_23('burewa', 2)

Can you predict the output of `main_solution("vskwv")` 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": "vskwv"}, "ref_output": "burewa1", "ref_code": "def main_solution(x):\n    return func_23('burewa', 2)", "funcname": "main_solution"}
rule