You are given a code:

def main_solution(x):
    return ('unbada' + 'aujo')

Can you predict the output of `main_solution("xwyywd")` 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": "xwyywd"}, "ref_output": "unbadaaujo", "ref_code": "def main_solution(x):\n    return ('unbada' + 'aujo')", "funcname": "main_solution"}
rule