You are given a code:

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

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