You are given a code:

def main_solution(x):
    return ('yqluo' + 'wdbzmd')

Can you predict the output of `main_solution("jajwptcfb")` 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": "jajwptcfb"}, "ref_output": "yqluowdbzmd", "ref_code": "def main_solution(x):\n    return ('yqluo' + 'wdbzmd')", "funcname": "main_solution"}
rule