You are given a code:

def main_solution(x):
    return ('jmz' + 'qxqnl')

Can you predict the output of `main_solution("ytrsywj")` 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": "ytrsywj"}, "ref_output": "jmzqxqnl", "ref_code": "def main_solution(x):\n    return ('jmz' + 'qxqnl')", "funcname": "main_solution"}
rule