You are given a code:

def main_solution(x):
    return ('amnj' + x)

Can you predict the output of `main_solution("qecxoemq")` 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": "qecxoemq"}, "ref_output": "amnjqecxoemq", "ref_code": "def main_solution(x):\n    return ('amnj' + x)", "funcname": "main_solution"}
rule