You are given a code:

def main_solution(x):
    return ('bmhbbg' + 'dsme')

Can you predict the output of `main_solution("wkzzrjay")` 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": "wkzzrjay"}, "ref_output": "bmhbbgdsme", "ref_code": "def main_solution(x):\n    return ('bmhbbg' + 'dsme')", "funcname": "main_solution"}
rule